53121604542 has 8 divisors (see below), whose sum is σ = 106243209096. Its totient is φ = 17707201512.

The previous prime is 53121604519. The next prime is 53121604567. The reversal of 53121604542 is 24540612135.

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

53121604542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4426800373 + ... + 4426800384.

It is an arithmetic number, because the mean of its divisors is an integer number (13280401137).

Almost surely, 2^53121604542 is an apocalyptic number.

53121604542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53121604542 is a wasteful number, since it uses less digits than its factorization.

53121604542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8853600762.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 53121604542 in words is "fifty-three billion, one hundred twenty-one million, six hundred four thousand, five hundred forty-two".