51244055 has 8 divisors (see below), whose sum is σ = 62992944. Its totient is φ = 39995200.

The previous prime is 51244051. The next prime is 51244091. The reversal of 51244055 is 55044215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51244055 - 2² = 51244051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51244051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124781 + ... + 125190.

It is an arithmetic number, because the mean of its divisors is an integer number (7874118).

Almost surely, 2^51244055 is an apocalyptic number.

51244055 is a deficient number, since it is larger than the sum of its proper divisors (11748889).

51244055 is a wasteful number, since it uses less digits than its factorization.

51244055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250017.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 51244055 is about 7158.4953027854. The cubic root of 51244055 is about 371.4335788632.

The spelling of 51244055 in words is "fifty-one million, two hundred forty-four thousand, fifty-five".