45680551 has 4 divisors (see below), whose sum is σ = 52206352. Its totient is φ = 39154752.

The previous prime is 45680497. The next prime is 45680567. The reversal of 45680551 is 15508654.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45680551 - 2⁹ = 45680039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45681551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3262890 + ... + 3262903.

It is an arithmetic number, because the mean of its divisors is an integer number (13051588).

Almost surely, 2^45680551 is an apocalyptic number.

45680551 is a deficient number, since it is larger than the sum of its proper divisors (6525801).

45680551 is an equidigital number, since it uses as much as digits as its factorization.

45680551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6525800.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 45680551 is about 6758.7388616516. The cubic root of 45680551 is about 357.4734386186.

The spelling of 45680551 in words is "forty-five million, six hundred eighty thousand, five hundred fifty-one".