55861374 has 16 divisors (see below), whose sum is σ = 113137920. Its totient is φ = 18384600.

The previous prime is 55861367. The next prime is 55861391. The reversal of 55861374 is 47316855.

55861374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58452 + ... + 59399.

It is an arithmetic number, because the mean of its divisors is an integer number (7071120).

Almost surely, 2^55861374 is an apocalyptic number.

55861374 is an abundant number, since it is smaller than the sum of its proper divisors (57276546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55861374 is a wasteful number, since it uses less digits than its factorization.

55861374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117935.

The product of its digits is 100800, while the sum is 39.

The square root of 55861374 is about 7474.0466950642. The cubic root of 55861374 is about 382.2702828452.

The spelling of 55861374 in words is "fifty-five million, eight hundred sixty-one thousand, three hundred seventy-four".