45953778 has 32 divisors (see below), whose sum is σ = 101658816. Its totient is φ = 13756608.

The previous prime is 45953707. The next prime is 45953779. The reversal of 45953778 is 87735954.

It is a super-2 number, since 2×45953778² = 4223499424946568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45953779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5076 + ... + 10847.

It is an arithmetic number, because the mean of its divisors is an integer number (3176838).

Almost surely, 2^45953778 is an apocalyptic number.

45953778 is an abundant number, since it is smaller than the sum of its proper divisors (55705038).

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

45953778 is a wasteful number, since it uses less digits than its factorization.

45953778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15978.

The product of its digits is 1058400, while the sum is 48.

The square root of 45953778 is about 6778.9215956522. The cubic root of 45953778 is about 358.1847355499.

The spelling of 45953778 in words is "forty-five million, nine hundred fifty-three thousand, seven hundred seventy-eight".