51058737408 has 72 divisors (see below), whose sum is σ = 155303675968. Its totient is φ = 14588209152.

The previous prime is 51058737383. The next prime is 51058737409. The reversal of 51058737408 is 80473785015.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (51058737409) 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, 4743391 + ... + 4754142.

Almost surely, 2^51058737408 is an apocalyptic number.

It is an amenable number.

51058737408 is an abundant number, since it is smaller than the sum of its proper divisors (104244938560).

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

51058737408 is an equidigital number, since it uses as much as digits as its factorization.

51058737408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9497559 (or 9497545 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 51058737408 in words is "fifty-one billion, fifty-eight million, seven hundred thirty-seven thousand, four hundred eight".