51106707 has 20 divisors (see below), whose sum is σ = 77112816. Its totient is φ = 33728400.

The previous prime is 51106697. The next prime is 51106711. The reversal of 51106707 is 70760115.

It is not a de Polignac number, because 51106707 - 2⁴ = 51106691 is a prime.

It is a super-2 number, since 2×51106707² = 5223791000767698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51106807) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5058 + ... + 11304.

Almost surely, 2^51106707 is an apocalyptic number.

51106707 is a deficient number, since it is larger than the sum of its proper divisors (26006109).

51106707 is a wasteful number, since it uses less digits than its factorization.

51106707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6360 (or 6351 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 51106707 is about 7148.8955090979. The cubic root of 51106707 is about 371.1014342805.

The spelling of 51106707 in words is "fifty-one million, one hundred six thousand, seven hundred seven".