52575557500078 has 24 divisors (see below), whose sum is σ = 80825039002728. Its totient is φ = 25644011267952.

The previous prime is 52575557500061. The next prime is 52575557500087. The reversal of 52575557500078 is 87000575557525.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52575557499989 and 52575557500025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17070001 + ... + 19913212.

It is an arithmetic number, because the mean of its divisors is an integer number (3367709958447).

Almost surely, 2^{52575557500078} is an apocalyptic number.

52575557500078 is a deficient number, since it is larger than the sum of its proper divisors (28249481502650).

52575557500078 is a wasteful number, since it uses less digits than its factorization.

52575557500078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36983488 (or 36983385 counting only the distinct ones).

The product of its (nonzero) digits is 85750000, while the sum is 61.

The spelling of 52575557500078 in words is "fifty-two trillion, five hundred seventy-five billion, five hundred fifty-seven million, five hundred thousand, seventy-eight".