51733957401 has 27 divisors (see below), whose sum is σ = 86935152213. Its totient is φ = 29559531960.

The previous prime is 51733957381. The next prime is 51733957409. The reversal of 51733957401 is 10475933715.

The square root of 51733957401 is 227451.

It is a perfect power (a square), and thus also a powerful number.

51733957401 is a `hidden beast` number, since 5 + 1 + 73 + 3 + 9 + 574 + 0 + 1 = 666.

It is not a de Polignac number, because 51733957401 - 2⁵ = 51733957369 is a prime.

It is a super-3 number, since 3×51733957401³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51733957409) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4771056 + ... + 4781886.

Almost surely, 2^51733957401 is an apocalyptic number.

51733957401 is the 227451-st square number.

51733957401 is the 113726-th centered octagonal number.

It is an amenable number.

51733957401 is a deficient number, since it is larger than the sum of its proper divisors (35201194812).

51733957401 is an frugal number, since it uses more digits than its factorization.

51733957401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21682 (or 10841 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The spelling of 51733957401 in words is "fifty-one billion, seven hundred thirty-three million, nine hundred fifty-seven thousand, four hundred one".