655280052 has 24 divisors (see below), whose sum is σ = 1747413696. Its totient is φ = 187222848.

The previous prime is 655280039. The next prime is 655280069. The reversal of 655280052 is 250082556.

It is a junction number, because it is equal to n+sod(n) for n = 655279995 and 655280022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3900393 + ... + 3900560.

It is an arithmetic number, because the mean of its divisors is an integer number (72808904).

Almost surely, 2^655280052 is an apocalyptic number.

It is an amenable number.

655280052 is an abundant number, since it is smaller than the sum of its proper divisors (1092133644).

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

655280052 is a wasteful number, since it uses less digits than its factorization.

655280052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800967 (or 7800965 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 655280052 is about 25598.4384680003. The cubic root of 655280052 is about 868.5783148682.

The spelling of 655280052 in words is "six hundred fifty-five million, two hundred eighty thousand, fifty-two".