55620354 has 16 divisors (see below), whose sum is σ = 113954400. Its totient is φ = 18087840.

The previous prime is 55620343. The next prime is 55620377. The reversal of 55620354 is 45302655.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112804 + ... + 113295.

It is an arithmetic number, because the mean of its divisors is an integer number (7122150).

Almost surely, 2^55620354 is an apocalyptic number.

55620354 is an abundant number, since it is smaller than the sum of its proper divisors (58334046).

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

55620354 is a wasteful number, since it uses less digits than its factorization.

55620354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226145.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55620354 is about 7457.9054700365. The cubic root of 55620354 is about 381.7197079486.

It can be divided in two parts, 556 and 20354, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 55620354 in words is "fifty-five million, six hundred twenty thousand, three hundred fifty-four".