51893192 has 16 divisors (see below), whose sum is σ = 104784540. Its totient is φ = 23950656.

The previous prime is 51893189. The next prime is 51893239. The reversal of 51893192 is 29139815.

It can be written as a sum of positive squares in 2 ways, for example, as 40018276 + 11874916 = 6326^2 + 3446^2 .

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, 249383 + ... + 249590.

Almost surely, 2^51893192 is an apocalyptic number.

51893192 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51893192 is an abundant number, since it is smaller than the sum of its proper divisors (52891348).

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

51893192 is a wasteful number, since it uses less digits than its factorization.

51893192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498992 (or 498988 counting only the distinct ones).

The product of its digits is 19440, while the sum is 38.

The square root of 51893192 is about 7203.6929418181. The cubic root of 51893192 is about 372.9953879162.

The spelling of 51893192 in words is "fifty-one million, eight hundred ninety-three thousand, one hundred ninety-two".