51914172 has 24 divisors (see below), whose sum is σ = 123120592. Its totient is φ = 17020800.

The previous prime is 51914167. The next prime is 51914173. The reversal of 51914172 is 27141915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51914173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34729 + ... + 36192.

Almost surely, 2^51914172 is an apocalyptic number.

It is an amenable number.

51914172 is an abundant number, since it is smaller than the sum of its proper divisors (71206420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51914172 is a wasteful number, since it uses less digits than its factorization.

51914172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70989 (or 70987 counting only the distinct ones).

The product of its digits is 2520, while the sum is 30.

The square root of 51914172 is about 7205.1489922138. The cubic root of 51914172 is about 373.0456474884.

The spelling of 51914172 in words is "fifty-one million, nine hundred fourteen thousand, one hundred seventy-two".