51352537687002 has 12 divisors (see below), whose sum is σ = 111263831655210. Its totient is φ = 17117512562328.

The previous prime is 51352537686997. The next prime is 51352537687039. The reversal of 51352537687002 is 20078673525315.

51352537687002 is a `hidden beast` number, since 5 + 1 + 3 + 525 + 37 + 6 + 87 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48103643191041 + 3248894495961 = 6935679^2 + 1802469^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51352537687002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1426459380177 + ... + 1426459380212.

Almost surely, 2^{51352537687002} is an apocalyptic number.

51352537687002 is an abundant number, since it is smaller than the sum of its proper divisors (59911293968208).

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

51352537687002 is a wasteful number, since it uses less digits than its factorization.

51352537687002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852918760397 (or 2852918760394 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 51352537687002 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred thirty-seven million, six hundred eighty-seven thousand, two".