55654753421 has 8 divisors (see below), whose sum is σ = 55990738944. Its totient is φ = 55318932400.

The previous prime is 55654753397. The next prime is 55654753439. The reversal of 55654753421 is 12435745655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55654753421 is a prime.

It is a super-2 number, since 2×55654753421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55654753471) 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, 674996 + ... + 752946.

It is an arithmetic number, because the mean of its divisors is an integer number (6998842368).

Almost surely, 2^55654753421 is an apocalyptic number.

It is an amenable number.

55654753421 is a deficient number, since it is larger than the sum of its proper divisors (335985523).

55654753421 is a wasteful number, since it uses less digits than its factorization.

55654753421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82251.

The product of its digits is 2520000, while the sum is 47.

The spelling of 55654753421 in words is "fifty-five billion, six hundred fifty-four million, seven hundred fifty-three thousand, four hundred twenty-one".