45551416 has 16 divisors (see below), whose sum is σ = 86580000. Its totient is φ = 22463424.

The previous prime is 45551393. The next prime is 45551423. The reversal of 45551416 is 61415554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38416 + ... + 39583.

It is an arithmetic number, because the mean of its divisors is an integer number (5411250).

Almost surely, 2^45551416 is an apocalyptic number.

It is an amenable number.

45551416 is a deficient number, since it is larger than the sum of its proper divisors (41028584).

45551416 is a wasteful number, since it uses less digits than its factorization.

45551416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78078 (or 78074 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 45551416 is about 6749.1789130234. The cubic root of 45551416 is about 357.1362717871.

The spelling of 45551416 in words is "forty-five million, five hundred fifty-one thousand, four hundred sixteen".