53774040 has 64 divisors (see below), whose sum is σ = 163296000. Its totient is φ = 14164352.

The previous prime is 53774029. The next prime is 53774081. The reversal of 53774040 is 4047735.

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 = 53773989 and 53774007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7261 + ... + 12659.

It is an arithmetic number, because the mean of its divisors is an integer number (2551500).

Almost surely, 2^53774040 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 53774040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81648000).

53774040 is an abundant number, since it is smaller than the sum of its proper divisors (109521960).

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

53774040 is a wasteful number, since it uses less digits than its factorization.

53774040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496 (or 5492 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 53774040 is about 7333.0784804201. The cubic root of 53774040 is about 377.4483709344.

The spelling of 53774040 in words is "fifty-three million, seven hundred seventy-four thousand, forty".