51100607 has 4 divisors (see below), whose sum is σ = 51141720. Its totient is φ = 51059496.

The previous prime is 51100603. The next prime is 51100619. The reversal of 51100607 is 70600115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70600115 = 5 ⋅14120023.

It is a cyclic number.

It is not a de Polignac number, because 51100607 - 2² = 51100603 is a prime.

It is a super-2 number, since 2×51100607² = 5222544071536898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18632 + ... + 21197.

It is an arithmetic number, because the mean of its divisors is an integer number (12785430).

Almost surely, 2^51100607 is an apocalyptic number.

51100607 is a deficient number, since it is larger than the sum of its proper divisors (41113).

51100607 is a wasteful number, since it uses less digits than its factorization.

51100607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41112.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 51100607 is about 7148.4688570351. The cubic root of 51100607 is about 371.0866690376.

The spelling of 51100607 in words is "fifty-one million, one hundred thousand, six hundred seven".