55602477257 has 4 divisors (see below), whose sum is σ = 56785508736. Its totient is φ = 54419445780.

The previous prime is 55602477251. The next prime is 55602477263. The reversal of 55602477257 is 75277420655.

55602477257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (55602477251) and next prime (55602477263).

It is a cyclic number.

It is not a de Polignac number, because 55602477257 - 2⁸ = 55602477001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55602477251) 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, 591515669 + ... + 591515762.

It is an arithmetic number, because the mean of its divisors is an integer number (14196377184).

Almost surely, 2^55602477257 is an apocalyptic number.

It is an amenable number.

55602477257 is a deficient number, since it is larger than the sum of its proper divisors (1183031479).

55602477257 is a wasteful number, since it uses less digits than its factorization.

55602477257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183031478.

The product of its (nonzero) digits is 4116000, while the sum is 50.

The spelling of 55602477257 in words is "fifty-five billion, six hundred two million, four hundred seventy-seven thousand, two hundred fifty-seven".