55528051 has 4 divisors (see below), whose sum is σ = 58450600. Its totient is φ = 52605504.

The previous prime is 55528043. The next prime is 55528061. The reversal of 55528051 is 15082555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55528051 - 2³ = 55528043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55528061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461246 + ... + 1461283.

It is an arithmetic number, because the mean of its divisors is an integer number (14612650).

Almost surely, 2^55528051 is an apocalyptic number.

55528051 is a deficient number, since it is larger than the sum of its proper divisors (2922549).

55528051 is a wasteful number, since it uses less digits than its factorization.

55528051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922548.

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 55528051 is about 7451.7146349012. The cubic root of 55528051 is about 381.5084340769.

The spelling of 55528051 in words is "fifty-five million, five hundred twenty-eight thousand, fifty-one".