55545374 has 16 divisors (see below), whose sum is σ = 84715200. Its totient is φ = 27309984.

The previous prime is 55545367. The next prime is 55545377. The reversal of 55545374 is 47354555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55545377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49532 + ... + 50640.

It is an arithmetic number, because the mean of its divisors is an integer number (5294700).

Almost surely, 2^55545374 is an apocalyptic number.

55545374 is a deficient number, since it is larger than the sum of its proper divisors (29169826).

55545374 is a wasteful number, since it uses less digits than its factorization.

55545374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507.

The product of its digits is 210000, while the sum is 38.

The square root of 55545374 is about 7452.8768941933. The cubic root of 55545374 is about 381.5481028170.

The spelling of 55545374 in words is "fifty-five million, five hundred forty-five thousand, three hundred seventy-four".