53551554 has 32 divisors (see below), whose sum is σ = 123601920. Its totient is φ = 15150672.

The previous prime is 53551549. The next prime is 53551577. The reversal of 53551554 is 45515535.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1864 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (3862560).

Almost surely, 2^53551554 is an apocalyptic number.

53551554 is an abundant number, since it is smaller than the sum of its proper divisors (70050366).

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

53551554 is a wasteful number, since it uses less digits than its factorization.

53551554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12494.

The product of its digits is 37500, while the sum is 33.

The square root of 53551554 is about 7317.8927294680. The cubic root of 53551554 is about 376.9270967202.

The spelling of 53551554 in words is "fifty-three million, five hundred fifty-one thousand, five hundred fifty-four".