51137105 has 24 divisors (see below), whose sum is σ = 66783552. Its totient is φ = 37562112.

The previous prime is 51137069. The next prime is 51137117. The reversal of 51137105 is 50173115.

It is a de Polignac number, because none of the positive numbers 2^k-51137105 is a prime.

It is a Duffinian 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, 61724 + ... + 62546.

It is an arithmetic number, because the mean of its divisors is an integer number (2782648).

Almost surely, 2^51137105 is an apocalyptic number.

It is an amenable number.

51137105 is a deficient number, since it is larger than the sum of its proper divisors (15646447).

51137105 is a wasteful number, since it uses less digits than its factorization.

51137105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 51137105 is about 7151.0212557368. The cubic root of 51137105 is about 371.1749960902.

The spelling of 51137105 in words is "fifty-one million, one hundred thirty-seven thousand, one hundred five".