53401407564 has 48 divisors (see below), whose sum is σ = 126228342240. Its totient is φ = 17569628160.

The previous prime is 53401407559. The next prime is 53401407593. The reversal of 53401407564 is 46570410435.

It is a happy number.

53401407564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245092 + ... + 408500.

It is an arithmetic number, because the mean of its divisors is an integer number (2629757130).

Almost surely, 2^53401407564 is an apocalyptic number.

It is an amenable number.

53401407564 is an abundant number, since it is smaller than the sum of its proper divisors (72826934676).

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

53401407564 is a wasteful number, since it uses less digits than its factorization.

53401407564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163770 (or 163768 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 53401407564 its reverse (46570410435), we get a palindrome (99971817999).

The spelling of 53401407564 in words is "fifty-three billion, four hundred one million, four hundred seven thousand, five hundred sixty-four".