53634540 has 96 divisors (see below), whose sum is σ = 155232000. Its totient is φ = 13830912.

The previous prime is 53634527. The next prime is 53634547. The reversal of 53634540 is 4543635.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 53634498 and 53634507.

It is not an unprimeable number, because it can be changed into a prime (53634547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385791 + ... + 385929.

It is an arithmetic number, because the mean of its divisors is an integer number (1617000).

Almost surely, 2^53634540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53634540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77616000).

53634540 is an abundant number, since it is smaller than the sum of its proper divisors (101597460).

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

53634540 is a wasteful number, since it uses less digits than its factorization.

53634540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 53634540 is about 7323.5606094304. The cubic root of 53634540 is about 377.1216975371.

The spelling of 53634540 in words is "fifty-three million, six hundred thirty-four thousand, five hundred forty".