51548789402 has 16 divisors (see below), whose sum is σ = 84358346400. Its totient is φ = 23429661840.

The previous prime is 51548789387. The next prime is 51548789417. The reversal of 51548789402 is 20498784515.

It is an interprime number because it is at equal distance from previous prime (51548789387) and next prime (51548789417).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284849 + ... + 429227.

It is an arithmetic number, because the mean of its divisors is an integer number (5272396650).

Almost surely, 2^51548789402 is an apocalyptic number.

51548789402 is a deficient number, since it is larger than the sum of its proper divisors (32809556998).

51548789402 is a wasteful number, since it uses less digits than its factorization.

51548789402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160621.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 51548789402 in words is "fifty-one billion, five hundred forty-eight million, seven hundred eighty-nine thousand, four hundred two".