51072892 has 12 divisors (see below), whose sum is σ = 96252856. Its totient is φ = 23572080.

The previous prime is 51072877. The next prime is 51072899. The reversal of 51072892 is 29827015.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51072899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491034 + ... + 491137.

Almost surely, 2^51072892 is an apocalyptic number.

51072892 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51072892 is a deficient number, since it is larger than the sum of its proper divisors (45179964).

51072892 is a wasteful number, since it uses less digits than its factorization.

51072892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982188 (or 982186 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 51072892 is about 7146.5300671025. The cubic root of 51072892 is about 371.0195692024.

The spelling of 51072892 in words is "fifty-one million, seventy-two thousand, eight hundred ninety-two".