55420528 has 10 divisors (see below), whose sum is σ = 107377304. Its totient is φ = 27710256.

The previous prime is 55420517. The next prime is 55420559. The reversal of 55420528 is 82502455.

55420528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55420528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1731876 + ... + 1731907.

Almost surely, 2^55420528 is an apocalyptic number.

It is an amenable number.

55420528 is a deficient number, since it is larger than the sum of its proper divisors (51956776).

55420528 is a wasteful number, since it uses less digits than its factorization.

55420528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463791 (or 3463785 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 55420528 is about 7444.4964906970. The cubic root of 55420528 is about 381.2620274625.

The spelling of 55420528 in words is "fifty-five million, four hundred twenty thousand, five hundred twenty-eight".