621162054 has 32 divisors (see below), whose sum is σ = 1414032480. Its totient is φ = 202003200.

The previous prime is 621162043. The next prime is 621162083. The reversal of 621162054 is 450261126.

621162054 is a `hidden beast` number, since 621 + 16 + 20 + 5 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 138067 + ... + 142494.

It is an arithmetic number, because the mean of its divisors is an integer number (44188515).

Almost surely, 2^621162054 is an apocalyptic number.

621162054 is an abundant number, since it is smaller than the sum of its proper divisors (792870426).

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

621162054 is a wasteful number, since it uses less digits than its factorization.

621162054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280613 (or 280607 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 621162054 is about 24923.1228781628. The cubic root of 621162054 is about 853.2343000645.

It can be divided in two parts, 6211 and 62054, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 621162054 in words is "six hundred twenty-one million, one hundred sixty-two thousand, fifty-four".