45611555 has 12 divisors (see below), whose sum is σ = 60162816. Its totient is φ = 33171600.

The previous prime is 45611551. The next prime is 45611563. The reversal of 45611555 is 55511654.

It is not a de Polignac number, because 45611555 - 2² = 45611551 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45611551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37091 + ... + 38300.

It is an arithmetic number, because the mean of its divisors is an integer number (5013568).

Almost surely, 2^45611555 is an apocalyptic number.

45611555 is a deficient number, since it is larger than the sum of its proper divisors (14551261).

45611555 is a wasteful number, since it uses less digits than its factorization.

45611555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75418 (or 75407 counting only the distinct ones).

The product of its digits is 15000, while the sum is 32.

The square root of 45611555 is about 6753.6327261704. The cubic root of 45611555 is about 357.2933717200.

Subtracting 45611555 from its reverse (55511654), we obtain a palindrome (9900099).

It can be divided in two parts, 4561 and 1555, that added together give a palindrome (6116).

The spelling of 45611555 in words is "forty-five million, six hundred eleven thousand, five hundred fifty-five".