55494976 has 28 divisors (see below), whose sum is σ = 112814100. Its totient is φ = 27069440.

The previous prime is 55494941. The next prime is 55494979. The reversal of 55494976 is 67949455.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4000000 + 51494976 = 2000^2 + 7176^2 .

It is a super-2 number, since 2×55494976² = 6159384722481152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55494979) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7951 + ... + 13198.

It is an arithmetic number, because the mean of its divisors is an integer number (4029075).

Almost surely, 2^55494976 is an apocalyptic number.

It is an amenable number.

55494976 is an abundant number, since it is smaller than the sum of its proper divisors (57319124).

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

55494976 is a wasteful number, since it uses less digits than its factorization.

55494976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202 (or 21192 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The square root of 55494976 is about 7449.4950164424. The cubic root of 55494976 is about 381.4326711822.

It can be divided in two parts, 554949 and 76, that added together give a square (555025 = 745²).

The spelling of 55494976 in words is "fifty-five million, four hundred ninety-four thousand, nine hundred seventy-six".