51073475 has 12 divisors (see below), whose sum is σ = 63760800. Its totient is φ = 40581600.

The previous prime is 51073471. The next prime is 51073481. The reversal of 51073475 is 57437015.

It is not a de Polignac number, because 51073475 - 2² = 51073471 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51073471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3131 + ... + 10580.

It is an arithmetic number, because the mean of its divisors is an integer number (5313400).

Almost surely, 2^51073475 is an apocalyptic number.

51073475 is a deficient number, since it is larger than the sum of its proper divisors (12687325).

51073475 is a wasteful number, since it uses less digits than its factorization.

51073475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13870 (or 13865 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 51073475 is about 7146.5708560120. The cubic root of 51073475 is about 371.0209809336.

The spelling of 51073475 in words is "fifty-one million, seventy-three thousand, four hundred seventy-five".