51424607100 has 72 divisors (see below), whose sum is σ = 148918576240. Its totient is φ = 13701242880.

The previous prime is 51424607099. The next prime is 51424607123. The reversal of 51424607100 is 170642415.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271566 + ... + 420234.

Almost surely, 2^51424607100 is an apocalyptic number.

51424607100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51424607100 is an abundant number, since it is smaller than the sum of its proper divisors (97493969140).

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

51424607100 is a wasteful number, since it uses less digits than its factorization.

51424607100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149839 (or 149832 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 51424607100 in words is "fifty-one billion, four hundred twenty-four million, six hundred seven thousand, one hundred".