51457105 has 24 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 35007840.

The previous prime is 51457097. The next prime is 51457123. The reversal of 51457105 is 50175415.

It is not a de Polignac number, because 51457105 - 2³ = 51457097 is a prime.

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, 33300 + ... + 34810.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^51457105 is an apocalyptic number.

It is an amenable number.

51457105 is a deficient number, since it is larger than the sum of its proper divisors (20937455).

51457105 is a wasteful number, since it uses less digits than its factorization.

51457105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 51457105 is about 7173.3607883613. The cubic root of 51457105 is about 371.9476190362.

The spelling of 51457105 in words is "fifty-one million, four hundred fifty-seven thousand, one hundred five".