52355430 has 64 divisors (see below), whose sum is σ = 140428800. Its totient is φ = 13880160.

The previous prime is 52355417. The next prime is 52355447. The reversal of 52355430 is 3455325.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52355394 and 52355403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56511 + ... + 57429.

It is an arithmetic number, because the mean of its divisors is an integer number (2194200).

Almost surely, 2^52355430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52355430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70214400).

52355430 is an abundant number, since it is smaller than the sum of its proper divisors (88073370).

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

52355430 is a wasteful number, since it uses less digits than its factorization.

52355430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 52355430 is about 7235.7052178761. The cubic root of 52355430 is about 374.0995998090.

The spelling of 52355430 in words is "fifty-two million, three hundred fifty-five thousand, four hundred thirty".