55774793 has 4 divisors (see below), whose sum is σ = 58199808. Its totient is φ = 53349780.

The previous prime is 55774783. The next prime is 55774811. The reversal of 55774793 is 39747755.

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 55774793 - 2¹⁰ = 55773769 is a prime.

It is a super-4 number, since 4×55774793⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55774783) 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, 1212473 + ... + 1212518.

It is an arithmetic number, because the mean of its divisors is an integer number (14549952).

Almost surely, 2^55774793 is an apocalyptic number.

It is an amenable number.

55774793 is a deficient number, since it is larger than the sum of its proper divisors (2425015).

55774793 is a wasteful number, since it uses less digits than its factorization.

55774793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425014.

The product of its digits is 926100, while the sum is 47.

The square root of 55774793 is about 7468.2523390684. The cubic root of 55774793 is about 382.0726838294.

The spelling of 55774793 in words is "fifty-five million, seven hundred seventy-four thousand, seven hundred ninety-three".