55755377 has 4 divisors (see below), whose sum is σ = 56540736. Its totient is φ = 54970020.

The previous prime is 55755373. The next prime is 55755397. The reversal of 55755377 is 77355755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55755377 - 2² = 55755373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55755373) 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, 392573 + ... + 392714.

It is an arithmetic number, because the mean of its divisors is an integer number (14135184).

Almost surely, 2^55755377 is an apocalyptic number.

It is an amenable number.

55755377 is a deficient number, since it is larger than the sum of its proper divisors (785359).

55755377 is an equidigital number, since it uses as much as digits as its factorization.

55755377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785358.

The product of its digits is 643125, while the sum is 44.

The square root of 55755377 is about 7466.9523234048. The cubic root of 55755377 is about 382.0283437025.

The spelling of 55755377 in words is "fifty-five million, seven hundred fifty-five thousand, three hundred seventy-seven".