51132776 has 8 divisors (see below), whose sum is σ = 95873970. Its totient is φ = 25566384.

The previous prime is 51132769. The next prime is 51132791. The reversal of 51132776 is 67723115.

It can be written as a sum of positive squares in only one way, i.e., 47251876 + 3880900 = 6874^2 + 1970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51132776² = 5229121562932352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3195791 + ... + 3195806.

Almost surely, 2^51132776 is an apocalyptic number.

It is an amenable number.

51132776 is a deficient number, since it is larger than the sum of its proper divisors (44741194).

51132776 is a wasteful number, since it uses less digits than its factorization.

51132776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391603 (or 6391599 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 51132776 is about 7150.7185652912. The cubic root of 51132776 is about 371.1645218830.

The spelling of 51132776 in words is "fifty-one million, one hundred thirty-two thousand, seven hundred seventy-six".