51928674 has 16 divisors (see below), whose sum is σ = 118694208. Its totient is φ = 14836752.

The previous prime is 51928663. The next prime is 51928697. The reversal of 51928674 is 47682915.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1236397 = 51928674 / (5 + 1 + 9 + 2 + 8 + 6 + 7 + 4).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618157 + ... + 618240.

It is an arithmetic number, because the mean of its divisors is an integer number (7418388).

Almost surely, 2^51928674 is an apocalyptic number.

51928674 is an abundant number, since it is smaller than the sum of its proper divisors (66765534).

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

51928674 is a wasteful number, since it uses less digits than its factorization.

51928674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236409.

The product of its digits is 120960, while the sum is 42.

The square root of 51928674 is about 7206.1552855875. The cubic root of 51928674 is about 373.0803804852.

The spelling of 51928674 in words is "fifty-one million, nine hundred twenty-eight thousand, six hundred seventy-four".