51975052977 has 32 divisors (see below), whose sum is σ = 71745454080. Its totient is φ = 33448484160.

The previous prime is 51975052963. The next prime is 51975052993. The reversal of 51975052977 is 77925057915.

It is not a de Polignac number, because 51975052977 - 2⁷ = 51975052849 is a prime.

It is a super-2 number, since 2×51975052977² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51975092977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14512327 + ... + 14515907.

It is an arithmetic number, because the mean of its divisors is an integer number (2242045440).

Almost surely, 2^51975052977 is an apocalyptic number.

It is an amenable number.

51975052977 is a deficient number, since it is larger than the sum of its proper divisors (19770401103).

51975052977 is a wasteful number, since it uses less digits than its factorization.

51975052977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013.

The product of its (nonzero) digits is 6945750, while the sum is 57.

The spelling of 51975052977 in words is "fifty-one billion, nine hundred seventy-five million, fifty-two thousand, nine hundred seventy-seven".