51772077 has 48 divisors (see below), whose sum is σ = 90188800. Its totient is φ = 28576800.

The previous prime is 51772067. The next prime is 51772181. The reversal of 51772077 is 77027715.

It is a happy number.

51772077 is a `hidden beast` number, since 517 + 72 + 0 + 77 = 666.

It is not a de Polignac number, because 51772077 - 2⁷ = 51771949 is a prime.

It is a super-3 number, since 3×51772077³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51772037) 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, 95427 + ... + 95967.

Almost surely, 2^51772077 is an apocalyptic number.

It is an amenable number.

51772077 is a deficient number, since it is larger than the sum of its proper divisors (38416723).

51772077 is a wasteful number, since it uses less digits than its factorization.

51772077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 24010, while the sum is 36.

The square root of 51772077 is about 7195.2815789238. The cubic root of 51772077 is about 372.7049803461.

The spelling of 51772077 in words is "fifty-one million, seven hundred seventy-two thousand, seventy-seven".