55770892 has 12 divisors (see below), whose sum is σ = 98345016. Its totient is φ = 27672320.

The previous prime is 55770853. The next prime is 55770899. The reversal of 55770892 is 29807755.

It is a super-2 number, since 2×55770892² = 6220784788951328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55770899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52693 + ... + 53740.

It is an arithmetic number, because the mean of its divisors is an integer number (8195418).

Almost surely, 2^55770892 is an apocalyptic number.

It is an amenable number.

55770892 is a deficient number, since it is larger than the sum of its proper divisors (42574124).

55770892 is a wasteful number, since it uses less digits than its factorization.

55770892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106568 (or 106566 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 55770892 is about 7467.9911622872. The cubic root of 55770892 is about 382.0637759805.

The spelling of 55770892 in words is "fifty-five million, seven hundred seventy thousand, eight hundred ninety-two".