51195924 has 72 divisors (see below), whose sum is σ = 140547680. Its totient is φ = 15619392.

The previous prime is 51195919. The next prime is 51195983. The reversal of 51195924 is 42959115.

51195924 is a `hidden beast` number, since 51 + 19 + 592 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 64659 + ... + 65445.

Almost surely, 2^51195924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51195924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70273840).

51195924 is an abundant number, since it is smaller than the sum of its proper divisors (89351756).

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

51195924 is a wasteful number, since it uses less digits than its factorization.

51195924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 944 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 51195924 is about 7155.1327031719. The cubic root of 51195924 is about 371.3172527212.

The spelling of 51195924 in words is "fifty-one million, one hundred ninety-five thousand, nine hundred twenty-four".