51572007 has 12 divisors (see below), whose sum is σ = 76225864. Its totient is φ = 33581520.

The previous prime is 51571963. The next prime is 51572041. The reversal of 51572007 is 70027515.

It is not a de Polignac number, because 51572007 - 2⁶ = 51571943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51572047) 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, 66244 + ... + 67017.

Almost surely, 2^51572007 is an apocalyptic number.

51572007 is a deficient number, since it is larger than the sum of its proper divisors (24653857).

51572007 is a wasteful number, since it uses less digits than its factorization.

51572007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133310 (or 133307 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 51572007 is about 7181.3652601716. The cubic root of 51572007 is about 372.2242621044.

The spelling of 51572007 in words is "fifty-one million, five hundred seventy-two thousand, seven".