45551024521 has 4 divisors (see below), whose sum is σ = 47531503872. Its totient is φ = 43570545172.

The previous prime is 45551024473. The next prime is 45551024569. The reversal of 45551024521 is 12542015554.

45551024521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (45551024473) and next prime (45551024569).

It is a cyclic number.

It is not a de Polignac number, because 45551024521 - 2¹⁵ = 45550991753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45551024581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990239641 + ... + 990239686.

It is an arithmetic number, because the mean of its divisors is an integer number (11882875968).

Almost surely, 2^45551024521 is an apocalyptic number.

It is an amenable number.

45551024521 is a deficient number, since it is larger than the sum of its proper divisors (1980479351).

45551024521 is a wasteful number, since it uses less digits than its factorization.

45551024521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980479350.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 45551024521 in words is "forty-five billion, five hundred fifty-one million, twenty-four thousand, five hundred twenty-one".