51954788 has 12 divisors (see below), whose sum is σ = 96269292. Its totient is φ = 24449280.

The previous prime is 51954781. The next prime is 51954817. The reversal of 51954788 is 88745915.

It can be written as a sum of positive squares in 2 ways, for example, as 35617024 + 16337764 = 5968^2 + 4042^2 .

It is a super-2 number, since 2×51954788² = 5398599992249888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51954781) 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, 381953 + ... + 382088.

It is an arithmetic number, because the mean of its divisors is an integer number (8022441).

Almost surely, 2^51954788 is an apocalyptic number.

It is an amenable number.

51954788 is a deficient number, since it is larger than the sum of its proper divisors (44314504).

51954788 is a wasteful number, since it uses less digits than its factorization.

51954788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764062 (or 764060 counting only the distinct ones).

The product of its digits is 403200, while the sum is 47.

The square root of 51954788 is about 7207.9669810564. The cubic root of 51954788 is about 373.1429084852.

The spelling of 51954788 in words is "fifty-one million, nine hundred fifty-four thousand, seven hundred eighty-eight".