51552055 has 16 divisors (see below), whose sum is σ = 63575424. Its totient is φ = 40108320.

The previous prime is 51552023. The next prime is 51552071. The reversal of 51552055 is 55025515.

It is a happy number.

It is not a de Polignac number, because 51552055 - 2⁵ = 51552023 is a prime.

It is a super-2 number, since 2×51552055² = 5315228749446050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74260 + ... + 74950.

It is an arithmetic number, because the mean of its divisors is an integer number (3973464).

Almost surely, 2^51552055 is an apocalyptic number.

51552055 is a deficient number, since it is larger than the sum of its proper divisors (12023369).

51552055 is a wasteful number, since it uses less digits than its factorization.

51552055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 51552055 is about 7179.9759748902. The cubic root of 51552055 is about 372.1762543004.

The spelling of 51552055 in words is "fifty-one million, five hundred fifty-two thousand, fifty-five".