54920556 has 18 divisors (see below), whose sum is σ = 138827052. Its totient is φ = 18306840.

The previous prime is 54920539. The next prime is 54920603. The reversal of 54920556 is 65502945.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1525571 = 54920556 / (5 + 4 + 9 + 2 + 0 + 5 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 54920556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 762750 + ... + 762821.

It is an arithmetic number, because the mean of its divisors is an integer number (7712614).

Almost surely, 2^54920556 is an apocalyptic number.

It is an amenable number.

54920556 is an abundant number, since it is smaller than the sum of its proper divisors (83906496).

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

54920556 is a wasteful number, since it uses less digits than its factorization.

54920556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525581 (or 1525576 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 54920556 is about 7410.8404381689. The cubic root of 54920556 is about 380.1120537505.

The spelling of 54920556 in words is "fifty-four million, nine hundred twenty thousand, five hundred fifty-six".