51927456 has 192 divisors, whose sum is σ = 169344000. Its totient is φ = 13886208.

The previous prime is 51927451. The next prime is 51927467. The reversal of 51927456 is 65472915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51927451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625591 + ... + 625673.

It is an arithmetic number, because the mean of its divisors is an integer number (882000).

Almost surely, 2^51927456 is an apocalyptic number.

51927456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51927456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84672000).

51927456 is an abundant number, since it is smaller than the sum of its proper divisors (117416544).

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

51927456 is a wasteful number, since it uses less digits than its factorization.

51927456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 114 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 51927456 is about 7206.0707740071. The cubic root of 51927456 is about 373.0774635647.

The spelling of 51927456 in words is "fifty-one million, nine hundred twenty-seven thousand, four hundred fifty-six".