45400053 has 4 divisors (see below), whose sum is σ = 60533408. Its totient is φ = 30266700.

The previous prime is 45400039. The next prime is 45400093. The reversal of 45400053 is 35000454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45400053 - 2⁴ = 45400037 is a prime.

It is a super-2 number, since 2×45400053² = 4122329624805618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45400093) 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, 7566673 + ... + 7566678.

It is an arithmetic number, because the mean of its divisors is an integer number (15133352).

Almost surely, 2^45400053 is an apocalyptic number.

It is an amenable number.

45400053 is a deficient number, since it is larger than the sum of its proper divisors (15133355).

45400053 is a wasteful number, since it uses less digits than its factorization.

45400053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15133354.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 45400053 is about 6737.9561441137. The cubic root of 45400053 is about 356.7402562609.

The spelling of 45400053 in words is "forty-five million, four hundred thousand, fifty-three".