55651528 has 8 divisors (see below), whose sum is σ = 104346630. Its totient is φ = 27825760.

The previous prime is 55651499. The next prime is 55651529. The reversal of 55651528 is 82515655.

It can be written as a sum of positive squares in only one way, i.e., 48692484 + 6959044 = 6978^2 + 2638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55651529) 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 as a sum of consecutive naturals, namely, 3478213 + ... + 3478228.

Almost surely, 2^55651528 is an apocalyptic number.

It is an amenable number.

55651528 is a deficient number, since it is larger than the sum of its proper divisors (48695102).

55651528 is a wasteful number, since it uses less digits than its factorization.

55651528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956447 (or 6956443 counting only the distinct ones).

The product of its digits is 60000, while the sum is 37.

The square root of 55651528 is about 7459.9951742612. The cubic root of 55651528 is about 381.7910098303.

The spelling of 55651528 in words is "fifty-five million, six hundred fifty-one thousand, five hundred twenty-eight".