55651854 has 16 divisors (see below), whose sum is σ = 113672448. Its totient is φ = 18155832.

The previous prime is 55651853. The next prime is 55651879. The reversal of 55651854 is 45815655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55651853) 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, 98392 + ... + 98955.

It is an arithmetic number, because the mean of its divisors is an integer number (7104528).

Almost surely, 2^55651854 is an apocalyptic number.

55651854 is an abundant number, since it is smaller than the sum of its proper divisors (58020594).

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

55651854 is a wasteful number, since it uses less digits than its factorization.

55651854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197399.

The product of its digits is 120000, while the sum is 39.

The square root of 55651854 is about 7460.0170241093. The cubic root of 55651854 is about 381.7917553242.

The spelling of 55651854 in words is "fifty-five million, six hundred fifty-one thousand, eight hundred fifty-four".