55374657 has 16 divisors (see below), whose sum is σ = 79652160. Its totient is φ = 34016832.

The previous prime is 55374653. The next prime is 55374677. The reversal of 55374657 is 75647355.

55374657 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 55374657 - 2² = 55374653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55374653) 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 15 ways as a sum of consecutive naturals, for example, 33394 + ... + 35012.

It is an arithmetic number, because the mean of its divisors is an integer number (4978260).

Almost surely, 2^55374657 is an apocalyptic number.

It is an amenable number.

55374657 is a deficient number, since it is larger than the sum of its proper divisors (24277503).

55374657 is a wasteful number, since it uses less digits than its factorization.

55374657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512.

The product of its digits is 441000, while the sum is 42.

The square root of 55374657 is about 7441.4149864122. The cubic root of 55374657 is about 381.1568095440.

The spelling of 55374657 in words is "fifty-five million, three hundred seventy-four thousand, six hundred fifty-seven".