54253690 has 8 divisors (see below), whose sum is σ = 97656660. Its totient is φ = 21701472.

The previous prime is 54253663. The next prime is 54253691. The reversal of 54253690 is 9635245.

It can be written as a sum of positive squares in 2 ways, for example, as 44475561 + 9778129 = 6669^2 + 3127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×54253690² = 5886925757232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54253691) 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, 2712675 + ... + 2712694.

Almost surely, 2^54253690 is an apocalyptic number.

54253690 is a deficient number, since it is larger than the sum of its proper divisors (43402970).

54253690 is a wasteful number, since it uses less digits than its factorization.

54253690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425376.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 54253690 is about 7365.7104205908. The cubic root of 54253690 is about 378.5672967051.

The spelling of 54253690 in words is "fifty-four million, two hundred fifty-three thousand, six hundred ninety".