55777053 has 4 divisors (see below), whose sum is σ = 74369408. Its totient is φ = 37184700.

The previous prime is 55777039. The next prime is 55777061. The reversal of 55777053 is 35077755.

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 not a de Polignac number, because 55777053 - 2⁵ = 55777021 is a prime.

It is a super-2 number, since 2×55777053² = 6222159282729618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 9296173 + ... + 9296178.

It is an arithmetic number, because the mean of its divisors is an integer number (18592352).

Almost surely, 2^55777053 is an apocalyptic number.

It is an amenable number.

55777053 is a deficient number, since it is larger than the sum of its proper divisors (18592355).

55777053 is a wasteful number, since it uses less digits than its factorization.

55777053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18592354.

The product of its (nonzero) digits is 128625, while the sum is 39.

The square root of 55777053 is about 7468.4036446887. The cubic root of 55777053 is about 382.0778443004.

The spelling of 55777053 in words is "fifty-five million, seven hundred seventy-seven thousand, fifty-three".