53251412561402 has 96 divisors (see below), whose sum is σ = 91982261496384. Its totient is φ = 22908762905600.

The previous prime is 53251412561383. The next prime is 53251412561447. The reversal of 53251412561402 is 20416521415235.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 53251412561402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 378601013 + ... + 378741639.

It is an arithmetic number, because the mean of its divisors is an integer number (958148557254).

Almost surely, 2^{53251412561402} is an apocalyptic number.

53251412561402 is a deficient number, since it is larger than the sum of its proper divisors (38730848934982).

53251412561402 is a wasteful number, since it uses less digits than its factorization.

53251412561402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140912 (or 140823 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 53251412561402 its reverse (20416521415235), we get a palindrome (73667933976637).

The spelling of 53251412561402 in words is "fifty-three trillion, two hundred fifty-one billion, four hundred twelve million, five hundred sixty-one thousand, four hundred two".