53554550 has 36 divisors (see below), whose sum is σ = 115879860. Its totient is φ = 18360720.

The previous prime is 53554549. The next prime is 53554583. The reversal of 53554550 is 5545535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8480 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (3218885).

Almost surely, 2^53554550 is an apocalyptic number.

53554550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53554550 is an abundant number, since it is smaller than the sum of its proper divisors (62325310).

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

53554550 is a wasteful number, since it uses less digits than its factorization.

53554550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21885 (or 21873 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 53554550 is about 7318.0974303435. The cubic root of 53554550 is about 376.9341257881.

The spelling of 53554550 in words is "fifty-three million, five hundred fifty-four thousand, five hundred fifty".