53427136 has 56 divisors (see below), whose sum is σ = 125106176. Its totient is φ = 22152960.

The previous prime is 53427119. The next prime is 53427139. The reversal of 53427136 is 63172435.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×53427136² = 5708917722324992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 53427098 and 53427107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53427139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11965 + ... + 15811.

Almost surely, 2^53427136 is an apocalyptic number.

53427136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53427136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62553088).

53427136 is an abundant number, since it is smaller than the sum of its proper divisors (71679040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53427136 is a wasteful number, since it uses less digits than its factorization.

53427136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3887 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 53427136 is about 7309.3868415894. The cubic root of 53427136 is about 376.6349615242.

The spelling of 53427136 in words is "fifty-three million, four hundred twenty-seven thousand, one hundred thirty-six".