51059690087452 has 24 divisors (see below), whose sum is σ = 90634666560480. Its totient is φ = 25164243256320.

The previous prime is 51059690087449. The next prime is 51059690087459. The reversal of 51059690087452 is 25478009695015.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51059690087459) 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, 20334877 + ... + 22707412.

It is an arithmetic number, because the mean of its divisors is an integer number (3776444440020).

Almost surely, 2^{51059690087452} is an apocalyptic number.

It is an amenable number.

51059690087452 is a deficient number, since it is larger than the sum of its proper divisors (39574976473028).

51059690087452 is a wasteful number, since it uses less digits than its factorization.

51059690087452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43046541 (or 43046539 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 61.

The spelling of 51059690087452 in words is "fifty-one trillion, fifty-nine billion, six hundred ninety million, eighty-seven thousand, four hundred fifty-two".