53402215523 has 8 divisors (see below), whose sum is σ = 54368616960. Its totient is φ = 52437856840.

The previous prime is 53402215513. The next prime is 53402215541. The reversal of 53402215523 is 32551220435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53402215523 - 2⁶ = 53402215459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53402215523.

It is not an unprimeable number, because it can be changed into a prime (53402215513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457883 + ... + 562548.

It is an arithmetic number, because the mean of its divisors is an integer number (6796077120).

Almost surely, 2^53402215523 is an apocalyptic number.

53402215523 is a deficient number, since it is larger than the sum of its proper divisors (966401437).

53402215523 is a wasteful number, since it uses less digits than its factorization.

53402215523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021377.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 53402215523 its reverse (32551220435), we get a palindrome (85953435958).

The spelling of 53402215523 in words is "fifty-three billion, four hundred two million, two hundred fifteen thousand, five hundred twenty-three".