52178150177542 has 16 divisors (see below), whose sum is σ = 80166405614400. Its totient is φ = 25462377386280.

The previous prime is 52178150177521. The next prime is 52178150177567. The reversal of 52178150177542 is 24577105187125.

It is a happy number.

It is a super-2 number, since 2×52178150177542² (a number of 28 digits) contains 22 as substring.

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, 1590586884 + ... + 1590619687.

It is an arithmetic number, because the mean of its divisors is an integer number (5010400350900).

Almost surely, 2^{52178150177542} is an apocalyptic number.

52178150177542 is a deficient number, since it is larger than the sum of its proper divisors (27988255436858).

52178150177542 is a wasteful number, since it uses less digits than its factorization.

52178150177542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181206771.

The product of its (nonzero) digits is 5488000, while the sum is 55.

The spelling of 52178150177542 in words is "fifty-two trillion, one hundred seventy-eight billion, one hundred fifty million, one hundred seventy-seven thousand, five hundred forty-two".