55884404 has 6 divisors (see below), whose sum is σ = 97797714. Its totient is φ = 27942200.

The previous prime is 55884403. The next prime is 55884427. The reversal of 55884404 is 40448855.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54316900 + 1567504 = 7370^2 + 1252^2 .

It is a super-2 number, since 2×55884404² = 6246133220870432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55884403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6985547 + ... + 6985554.

It is an arithmetic number, because the mean of its divisors is an integer number (16299619).

Almost surely, 2^55884404 is an apocalyptic number.

It is an amenable number.

55884404 is a deficient number, since it is larger than the sum of its proper divisors (41913310).

55884404 is a wasteful number, since it uses less digits than its factorization.

55884404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13971105 (or 13971103 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 55884404 is about 7475.5872010164. The cubic root of 55884404 is about 382.3228085556.

The spelling of 55884404 in words is "fifty-five million, eight hundred eighty-four thousand, four hundred four".