45987550 has 96 divisors (see below), whose sum is σ = 106064640. Its totient is φ = 14476800.

The previous prime is 45987547. The next prime is 45987553. The reversal of 45987550 is 5578954.

It is an interprime number because it is at equal distance from previous prime (45987547) and next prime (45987553).

It is a super-2 number, since 2×45987550² = 4229709510005000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45987497 and 45987506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45987553) 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, 350985 + ... + 351115.

It is an arithmetic number, because the mean of its divisors is an integer number (1104840).

Almost surely, 2^45987550 is an apocalyptic number.

45987550 is an abundant number, since it is smaller than the sum of its proper divisors (60077090).

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

45987550 is a wasteful number, since it uses less digits than its factorization.

45987550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 45987550 is about 6781.4120948369. The cubic root of 45987550 is about 358.2724588617.

The spelling of 45987550 in words is "forty-five million, nine hundred eighty-seven thousand, five hundred fifty".