51880311 has 64 divisors (see below), whose sum is σ = 94786560. Its totient is φ = 27371520.

The previous prime is 51880303. The next prime is 51880319. The reversal of 51880311 is 11308815.

It is an interprime number because it is at equal distance from previous prime (51880303) and next prime (51880319).

It is not a de Polignac number, because 51880311 - 2³ = 51880303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51880319) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215151 + ... + 215391.

It is an arithmetic number, because the mean of its divisors is an integer number (1481040).

Almost surely, 2^51880311 is an apocalyptic number.

51880311 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51880311 is a deficient number, since it is larger than the sum of its proper divisors (42906249).

51880311 is a wasteful number, since it uses less digits than its factorization.

51880311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 51880311 is about 7202.7988310101. The cubic root of 51880311 is about 372.9645235518.

The spelling of 51880311 in words is "fifty-one million, eight hundred eighty thousand, three hundred eleven".