53408968503 has 16 divisors (see below), whose sum is σ = 78779941632. Its totient is φ = 31913168000.

The previous prime is 53408968489. The next prime is 53408968513. The reversal of 53408968503 is 30586980435.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53408968503 - 2⁶ = 53408968439 is a prime.

It is a super-2 number, since 2×53408968503² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53408968513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11395218 + ... + 11399903.

It is an arithmetic number, because the mean of its divisors is an integer number (4923746352).

Almost surely, 2^53408968503 is an apocalyptic number.

53408968503 is a deficient number, since it is larger than the sum of its proper divisors (25370973129).

53408968503 is a wasteful number, since it uses less digits than its factorization.

53408968503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22795206.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 53408968503 in words is "fifty-three billion, four hundred eight million, nine hundred sixty-eight thousand, five hundred three".