45553851 has 24 divisors (see below), whose sum is σ = 75470304. Its totient is φ = 25937280.

The previous prime is 45553847. The next prime is 45553853. The reversal of 45553851 is 15835554.

It is a happy number.

It is not a de Polignac number, because 45553851 - 2² = 45553847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45553853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18831 + ... + 21111.

It is an arithmetic number, because the mean of its divisors is an integer number (3144596).

Almost surely, 2^45553851 is an apocalyptic number.

45553851 is a deficient number, since it is larger than the sum of its proper divisors (29916453).

45553851 is a wasteful number, since it uses less digits than its factorization.

45553851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611 (or 2608 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 45553851 is about 6749.3593029265. The cubic root of 45553851 is about 357.1426353751.

The spelling of 45553851 in words is "forty-five million, five hundred fifty-three thousand, eight hundred fifty-one".