1055505402 has 96 divisors (see below), whose sum is σ = 2723086080. Its totient is φ = 289094400.

The previous prime is 1055505389. The next prime is 1055505413. The reversal of 1055505402 is 2045055501.

1055505402 is a `hidden beast` number, since 105 + 550 + 5 + 4 + 0 + 2 = 666.

It is a super-2 number, since 2×1055505402² = 2228183307302363208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 550798 + ... + 552710.

It is an arithmetic number, because the mean of its divisors is an integer number (28365480).

Almost surely, 2^1055505402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055505402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361543040).

1055505402 is an abundant number, since it is smaller than the sum of its proper divisors (1667580678).

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

1055505402 is a wasteful number, since it uses less digits than its factorization.

1055505402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 1055505402 is about 32488.5426265938. The cubic root of 1055505402 is about 1018.1696644687.

The spelling of 1055505402 in words is "one billion, fifty-five million, five hundred five thousand, four hundred two".