51346164 has 12 divisors (see below), whose sum is σ = 119807744. Its totient is φ = 17115384.

The previous prime is 51346159. The next prime is 51346181. The reversal of 51346164 is 46164315.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2139412 + ... + 2139435.

Almost surely, 2^51346164 is an apocalyptic number.

It is an amenable number.

51346164 is an abundant number, since it is smaller than the sum of its proper divisors (68461580).

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

51346164 is a wasteful number, since it uses less digits than its factorization.

51346164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278854 (or 4278852 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 51346164 is about 7165.6237690797. The cubic root of 51346164 is about 371.6801215968.

The spelling of 51346164 in words is "fifty-one million, three hundred forty-six thousand, one hundred sixty-four".