55777010 has 16 divisors (see below), whose sum is σ = 100547136. Its totient is φ = 22277808.

The previous prime is 55777009. The next prime is 55777013. The reversal of 55777010 is 1077755.

It is a super-2 number, since 2×55777010² = 6222149689080200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55777013) 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, 3677 + ... + 11183.

It is an arithmetic number, because the mean of its divisors is an integer number (6284196).

Almost surely, 2^55777010 is an apocalyptic number.

55777010 is a deficient number, since it is larger than the sum of its proper divisors (44770126).

55777010 is a wasteful number, since it uses less digits than its factorization.

55777010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257.

The product of its (nonzero) digits is 8575, while the sum is 32.

The square root of 55777010 is about 7468.4007658936. The cubic root of 55777010 is about 382.0777461157.

The spelling of 55777010 in words is "fifty-five million, seven hundred seventy-seven thousand, ten".