45597552 has 240 divisors, whose sum is σ = 161203968. Its totient is φ = 10782720.

The previous prime is 45597551. The next prime is 45597557. The reversal of 45597552 is 25579554.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45597551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 624588 + ... + 624660.

Almost surely, 2^45597552 is an apocalyptic number.

45597552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45597552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80601984).

45597552 is an abundant number, since it is smaller than the sum of its proper divisors (115606416).

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

45597552 is a wasteful number, since it uses less digits than its factorization.

45597552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 109 counting only the distinct ones).

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

The square root of 45597552 is about 6752.5959452643. The cubic root of 45597552 is about 357.2568042963.

The spelling of 45597552 in words is "forty-five million, five hundred ninety-seven thousand, five hundred fifty-two".