55801377 has 12 divisors (see below), whose sum is σ = 80690064. Its totient is φ = 37160280.

The previous prime is 55801357. The next prime is 55801379. The reversal of 55801377 is 77310855.

55801377 is a `hidden beast` number, since 5 + 580 + 1 + 3 + 77 = 666.

55801377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55801377 - 2⁸ = 55801121 is a prime.

It is a super-2 number, since 2×55801377² = 6227587350192258, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55801379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6978 + ... + 12660.

It is an arithmetic number, because the mean of its divisors is an integer number (6724172).

Almost surely, 2^55801377 is an apocalyptic number.

It is an amenable number.

55801377 is a deficient number, since it is larger than the sum of its proper divisors (24888687).

55801377 is a wasteful number, since it uses less digits than its factorization.

55801377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780 (or 6777 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 55801377 is about 7470.0319276426. The cubic root of 55801377 is about 382.1333767601.

The spelling of 55801377 in words is "fifty-five million, eight hundred one thousand, three hundred seventy-seven".