51772701 has 48 divisors (see below), whose sum is σ = 81224640. Its totient is φ = 29145600.

The previous prime is 51772691. The next prime is 51772717. The reversal of 51772701 is 10727715.

It is not a de Polignac number, because 51772701 - 2²³ = 43384093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51772751) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 512551 + ... + 512651.

It is an arithmetic number, because the mean of its divisors is an integer number (1692180).

Almost surely, 2^51772701 is an apocalyptic number.

51772701 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

51772701 is a deficient number, since it is larger than the sum of its proper divisors (29451939).

51772701 is a wasteful number, since it uses less digits than its factorization.

51772701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 51772701 is about 7195.3249405430. The cubic root of 51772701 is about 372.7064777233.

The spelling of 51772701 in words is "fifty-one million, seven hundred seventy-two thousand, seven hundred one".