45998553 has 8 divisors (see below), whose sum is σ = 63446400. Its totient is φ = 29608208.

The previous prime is 45998527. The next prime is 45998573. The reversal of 45998553 is 35589954.

It is a happy number.

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 45998553 - 2⁵ = 45998521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45998503) 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, 264273 + ... + 264446.

It is an arithmetic number, because the mean of its divisors is an integer number (7930800).

Almost surely, 2^45998553 is an apocalyptic number.

It is an amenable number.

45998553 is a deficient number, since it is larger than the sum of its proper divisors (17447847).

45998553 is a wasteful number, since it uses less digits than its factorization.

45998553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528751.

The product of its digits is 972000, while the sum is 48.

The square root of 45998553 is about 6782.2233080311. The cubic root of 45998553 is about 358.3010300548.

The spelling of 45998553 in words is "forty-five million, nine hundred ninety-eight thousand, five hundred fifty-three".