53021421054 has 24 divisors (see below), whose sum is σ = 131291138160. Its totient is φ = 15148977408.

The previous prime is 53021421017. The next prime is 53021421067. The reversal of 53021421054 is 45012412035.

53021421054 is a `hidden beast` number, since 530 + 21 + 4 + 2 + 105 + 4 = 666.

It is a super-2 number, since 2×53021421054² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210402339 + ... + 210402590.

It is an arithmetic number, because the mean of its divisors is an integer number (5470464090).

Almost surely, 2^53021421054 is an apocalyptic number.

53021421054 is an abundant number, since it is smaller than the sum of its proper divisors (78269717106).

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

53021421054 is a wasteful number, since it uses less digits than its factorization.

53021421054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420804944 (or 420804941 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 53021421054 its reverse (45012412035), we get a palindrome (98033833089).

The spelling of 53021421054 in words is "fifty-three billion, twenty-one million, four hundred twenty-one thousand, fifty-four".