52735440 has 40 divisors (see below), whose sum is σ = 163480608. Its totient is φ = 14062720.

The previous prime is 52735387. The next prime is 52735447. The reversal of 52735440 is 4453725.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 52735398 and 52735407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52735447) 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, 109626 + ... + 110105.

Almost surely, 2^52735440 is an apocalyptic number.

It is an amenable number.

52735440 is an abundant number, since it is smaller than the sum of its proper divisors (110745168).

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

52735440 is a wasteful number, since it uses less digits than its factorization.

52735440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219747 (or 219741 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 52735440 is about 7261.9171022534. The cubic root of 52735440 is about 375.0025244275.

The spelling of 52735440 in words is "fifty-two million, seven hundred thirty-five thousand, four hundred forty".