45955572 has 48 divisors (see below), whose sum is σ = 117458880. Its totient is φ = 13897728.

The previous prime is 45955571. The next prime is 45955577. The reversal of 45955572 is 27555954.

It is a super-2 number, since 2×45955572² = 4223829195694368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45955571) 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, 6708 + ... + 11700.

It is an arithmetic number, because the mean of its divisors is an integer number (2447060).

Almost surely, 2^45955572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45955572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58729440).

45955572 is an abundant number, since it is smaller than the sum of its proper divisors (71503308).

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

45955572 is a wasteful number, since it uses less digits than its factorization.

45955572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072 (or 5070 counting only the distinct ones).

The product of its digits is 315000, while the sum is 42.

The square root of 45955572 is about 6779.0539162924. The cubic root of 45955572 is about 358.1893965744.

The spelling of 45955572 in words is "forty-five million, nine hundred fifty-five thousand, five hundred seventy-two".