45551024421 has 16 divisors (see below), whose sum is σ = 69486643200. Its totient is φ = 26000822448.

The previous prime is 45551024411. The next prime is 45551024437. The reversal of 45551024421 is 12442015554.

It is a happy number.

45551024421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45551024421 - 2¹⁵ = 45550991653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45551024401) 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, 1160841 + ... + 1199438.

It is an arithmetic number, because the mean of its divisors is an integer number (4342915200).

Almost surely, 2^45551024421 is an apocalyptic number.

It is an amenable number.

45551024421 is a deficient number, since it is larger than the sum of its proper divisors (23935618779).

45551024421 is a wasteful number, since it uses less digits than its factorization.

45551024421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361208.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 45551024421 its reverse (12442015554), we get a palindrome (57993039975).

The spelling of 45551024421 in words is "forty-five billion, five hundred fifty-one million, twenty-four thousand, four hundred twenty-one".