54775590 has 32 divisors (see below), whose sum is σ = 134670816. Its totient is φ = 14250240.

The previous prime is 54775579. The next prime is 54775603. The reversal of 54775590 is 9557745.

It is a congruent number.

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, 21037 + ... + 23496.

It is an arithmetic number, because the mean of its divisors is an integer number (4208463).

Almost surely, 2^54775590 is an apocalyptic number.

54775590 is an abundant number, since it is smaller than the sum of its proper divisors (79895226).

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

54775590 is a wasteful number, since it uses less digits than its factorization.

54775590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44584.

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 54775590 is about 7401.0533034157. The cubic root of 54775590 is about 379.7773164376. Note that the first 3 decimals are identical.

It can be divided in two parts, 5 and 4775590, that added together give a triangular number (4775595 = T₃₀₉₀).

The spelling of 54775590 in words is "fifty-four million, seven hundred seventy-five thousand, five hundred ninety".