45542556 has 36 divisors (see below), whose sum is σ = 115649352. Its totient is φ = 15111264.

The previous prime is 45542533. The next prime is 45542579. The reversal of 45542556 is 65524554.

It is an interprime number because it is at equal distance from previous prime (45542533) and next prime (45542579).

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 45542556.

It is a congruent number.

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, 5386 + ... + 10958.

It is an arithmetic number, because the mean of its divisors is an integer number (3212482).

Almost surely, 2^45542556 is an apocalyptic number.

It is an amenable number.

45542556 is an abundant number, since it is smaller than the sum of its proper divisors (70106796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45542556 is a wasteful number, since it uses less digits than its factorization.

45542556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810 (or 5805 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 45542556 is about 6748.5225049636. The cubic root of 45542556 is about 357.1131152985.

The spelling of 45542556 in words is "forty-five million, five hundred forty-two thousand, five hundred fifty-six".