51538000352 has 48 divisors (see below), whose sum is σ = 105902318592. Its totient is φ = 24642710400.

The previous prime is 51538000301. The next prime is 51538000361. The reversal of 51538000352 is 25300083515.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 5847533 + ... + 5856339.

It is an arithmetic number, because the mean of its divisors is an integer number (2206298304).

Almost surely, 2^51538000352 is an apocalyptic number.

It is an amenable number.

51538000352 is an abundant number, since it is smaller than the sum of its proper divisors (54364318240).

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

51538000352 is a wasteful number, since it uses less digits than its factorization.

51538000352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16791 (or 16783 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 51538000352 its reverse (25300083515), we get a palindrome (76838083867).

The spelling of 51538000352 in words is "fifty-one billion, five hundred thirty-eight million, three hundred fifty-two", and thus it is an aban number.