51468775 has 24 divisors (see below), whose sum is σ = 67964400. Its totient is φ = 38530560.

The previous prime is 51468761. The next prime is 51468787. The reversal of 51468775 is 57786415.

It is not a de Polignac number, because 51468775 - 2⁷ = 51468647 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147301 + ... + 147649.

It is an arithmetic number, because the mean of its divisors is an integer number (2831850).

Almost surely, 2^51468775 is an apocalyptic number.

51468775 is a deficient number, since it is larger than the sum of its proper divisors (16495625).

51468775 is a wasteful number, since it uses less digits than its factorization.

51468775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 718 counting only the distinct ones).

The product of its digits is 235200, while the sum is 43.

The square root of 51468775 is about 7174.1741685019. The cubic root of 51468775 is about 371.9757350149.

The spelling of 51468775 in words is "fifty-one million, four hundred sixty-eight thousand, seven hundred seventy-five".