51356748 has 24 divisors (see below), whose sum is σ = 121278528. Its totient is φ = 16912336.

The previous prime is 51356743. The next prime is 51356771. The reversal of 51356748 is 84765315.

It is not an unprimeable number, because it can be changed into a prime (51356743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24786 + ... + 26777.

It is an arithmetic number, because the mean of its divisors is an integer number (5053272).

Almost surely, 2^51356748 is an apocalyptic number.

It is an amenable number.

51356748 is an abundant number, since it is smaller than the sum of its proper divisors (69921780).

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

51356748 is a wasteful number, since it uses less digits than its factorization.

51356748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51653 (or 51651 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 51356748 is about 7166.3622571009. The cubic root of 51356748 is about 371.7056580202.

The spelling of 51356748 in words is "fifty-one million, three hundred fifty-six thousand, seven hundred forty-eight".