45530551 has 16 divisors (see below), whose sum is σ = 52371360. Its totient is φ = 39195520.

The previous prime is 45530549. The next prime is 45530557. The reversal of 45530551 is 15503554.

It is a cyclic number.

It is not a de Polignac number, because 45530551 - 2¹ = 45530549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45530557) 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, 15561 + ... + 18253.

It is an arithmetic number, because the mean of its divisors is an integer number (3273210).

Almost surely, 2^45530551 is an apocalyptic number.

45530551 is a deficient number, since it is larger than the sum of its proper divisors (6840809).

45530551 is a wasteful number, since it uses less digits than its factorization.

45530551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 45530551 is about 6747.6329923907. The cubic root of 45530551 is about 357.0817342483.

The spelling of 45530551 in words is "forty-five million, five hundred thirty thousand, five hundred fifty-one".