51854592 has 72 divisors (see below), whose sum is σ = 139073760. Its totient is φ = 17152000.

The previous prime is 51854567. The next prime is 51854597. The reversal of 51854592 is 29545815.

It is a super-2 number, since 2×51854592² = 5377797422972928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51854592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51854597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192634 + ... + 192902.

It is an arithmetic number, because the mean of its divisors is an integer number (1931580).

Almost surely, 2^51854592 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 51854592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69536880).

51854592 is an abundant number, since it is smaller than the sum of its proper divisors (87219168).

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

51854592 is a wasteful number, since it uses less digits than its factorization.

51854592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 525 counting only the distinct ones).

The product of its digits is 72000, while the sum is 39.

The square root of 51854592 is about 7201.0132620347. The cubic root of 51854592 is about 372.9028825688.

The spelling of 51854592 in words is "fifty-one million, eight hundred fifty-four thousand, five hundred ninety-two".