45998554 has 24 divisors (see below), whose sum is σ = 80898048. Its totient is φ = 19557720.

The previous prime is 45998527. The next prime is 45998573. The reversal of 45998554 is 45589954.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 45998498 and 45998507.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11047 + ... + 14629.

It is an arithmetic number, because the mean of its divisors is an integer number (3370752).

Almost surely, 2^45998554 is an apocalyptic number.

45998554 is a deficient number, since it is larger than the sum of its proper divisors (34899494).

45998554 is a wasteful number, since it uses less digits than its factorization.

45998554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730 (or 3723 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 49.

The square root of 45998554 is about 6782.2233817532. The cubic root of 45998554 is about 358.3010326512.

The spelling of 45998554 in words is "forty-five million, nine hundred ninety-eight thousand, five hundred fifty-four".