55472756 has 6 divisors (see below), whose sum is σ = 97077330. Its totient is φ = 27736376.

The previous prime is 55472743. The next prime is 55472771. The reversal of 55472756 is 65727455.

It can be written as a sum of positive squares in only one way, i.e., 36844900 + 18627856 = 6070^2 + 4316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6934091 + ... + 6934098.

It is an arithmetic number, because the mean of its divisors is an integer number (16179555).

Almost surely, 2^55472756 is an apocalyptic number.

It is an amenable number.

55472756 is a deficient number, since it is larger than the sum of its proper divisors (41604574).

55472756 is a wasteful number, since it uses less digits than its factorization.

55472756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13868193 (or 13868191 counting only the distinct ones).

The product of its digits is 294000, while the sum is 41.

The square root of 55472756 is about 7448.0034908692. The cubic root of 55472756 is about 381.3817562706.

The spelling of 55472756 in words is "fifty-five million, four hundred seventy-two thousand, seven hundred fifty-six".