45890551 has 8 divisors (see below), whose sum is σ = 52490240. Its totient is φ = 39301848.

The previous prime is 45890549. The next prime is 45890587. The reversal of 45890551 is 15509854.

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

It is a cyclic number.

It is not a de Polignac number, because 45890551 - 2¹ = 45890549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45890551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45890591) 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, 10450 + ... + 14176.

It is an arithmetic number, because the mean of its divisors is an integer number (6561280).

Almost surely, 2^45890551 is an apocalyptic number.

45890551 is a deficient number, since it is larger than the sum of its proper divisors (6599689).

45890551 is a wasteful number, since it uses less digits than its factorization.

45890551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 45890551 is about 6774.2564905678. The cubic root of 45890551 is about 358.0203867795.

The spelling of 45890551 in words is "forty-five million, eight hundred ninety thousand, five hundred fifty-one".