55373397 has 32 divisors (see below), whose sum is σ = 79626240. Its totient is φ = 34151040.

The previous prime is 55373371. The next prime is 55373399. The reversal of 55373397 is 79337355.

It is not a de Polignac number, because 55373397 - 2⁶ = 55373333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55373399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435948 + ... + 436074.

It is an arithmetic number, because the mean of its divisors is an integer number (2488320).

Almost surely, 2^55373397 is an apocalyptic number.

It is an amenable number.

55373397 is a deficient number, since it is larger than the sum of its proper divisors (24252843).

55373397 is a wasteful number, since it uses less digits than its factorization.

55373397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its digits is 297675, while the sum is 42.

The square root of 55373397 is about 7441.3303246127. The cubic root of 55373397 is about 381.1539185631.

The spelling of 55373397 in words is "fifty-five million, three hundred seventy-three thousand, three hundred ninety-seven".