51628692 has 48 divisors (see below), whose sum is σ = 123367104. Its totient is φ = 16800000.

The previous prime is 51628691. The next prime is 51628693. The reversal of 51628692 is 29682615.

It is an interprime number because it is at equal distance from previous prime (51628691) and next prime (51628693).

It is a self number, because there is not a number n which added to its sum of digits gives 51628692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51628691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183592 + ... + 183872.

It is an arithmetic number, because the mean of its divisors is an integer number (2570148).

Almost surely, 2^51628692 is an apocalyptic number.

It is an amenable number.

51628692 is an abundant number, since it is smaller than the sum of its proper divisors (71738412).

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

51628692 is a wasteful number, since it uses less digits than its factorization.

51628692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 598 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 51628692 is about 7185.3108492257. The cubic root of 51628692 is about 372.3605880416.

The spelling of 51628692 in words is "fifty-one million, six hundred twenty-eight thousand, six hundred ninety-two".