547979904 has 160 divisors (see below), whose sum is σ = 1727262900. Its totient is φ = 171859968.

The previous prime is 547979891. The next prime is 547979933. The reversal of 547979904 is 409979745.

547979904 is a `hidden beast` number, since 547 + 9 + 7 + 9 + 90 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 547560000 + 419904 = 23400^2 + 648^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 174702 + ... + 177810.

Almost surely, 2^547979904 is an apocalyptic number.

547979904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 547979904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863631450).

547979904 is an abundant number, since it is smaller than the sum of its proper divisors (1179282996).

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

547979904 is a wasteful number, since it uses less digits than its factorization.

547979904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152 (or 3131 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 547979904 is about 23408.9705882168. The cubic root of 547979904 is about 818.3169444700.

The spelling of 547979904 in words is "five hundred forty-seven million, nine hundred seventy-nine thousand, nine hundred four".