55551297 has 16 divisors (see below), whose sum is σ = 76012992. Its totient is φ = 36073920.

The previous prime is 55551289. The next prime is 55551329. The reversal of 55551297 is 79215555.

55551297 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 55551297 - 2³ = 55551289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55551247) 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, 18163 + ... + 20999.

It is an arithmetic number, because the mean of its divisors is an integer number (4750812).

Almost surely, 2^55551297 is an apocalyptic number.

It is an amenable number.

55551297 is a deficient number, since it is larger than the sum of its proper divisors (20461695).

55551297 is a wasteful number, since it uses less digits than its factorization.

55551297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008.

The product of its digits is 78750, while the sum is 39.

The square root of 55551297 is about 7453.2742469334. The cubic root of 55551297 is about 381.5616642769.

The spelling of 55551297 in words is "fifty-five million, five hundred fifty-one thousand, two hundred ninety-seven".