45620554 has 32 divisors (see below), whose sum is σ = 83655936. Its totient is φ = 18213120.

The previous prime is 45620543. The next prime is 45620557. The reversal of 45620554 is 45502654.

It is not an unprimeable number, because it can be changed into a prime (45620557) 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, 23584 + ... + 25444.

It is an arithmetic number, because the mean of its divisors is an integer number (2614248).

Almost surely, 2^45620554 is an apocalyptic number.

45620554 is a deficient number, since it is larger than the sum of its proper divisors (38035382).

45620554 is a wasteful number, since it uses less digits than its factorization.

45620554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 45620554 is about 6754.2989273499. The cubic root of 45620554 is about 357.3168677517.

The spelling of 45620554 in words is "forty-five million, six hundred twenty thousand, five hundred fifty-four".