53651090 has 8 divisors (see below), whose sum is σ = 96571980. Its totient is φ = 21460432.

The previous prime is 53651089. The next prime is 53651093. The reversal of 53651090 is 9015635.

It can be written as a sum of positive squares in 2 ways, for example, as 44609041 + 9042049 = 6679^2 + 3007^2 .

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

It is not an unprimeable number, because it can be changed into a prime (53651093) 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, 2682545 + ... + 2682564.

Almost surely, 2^53651090 is an apocalyptic number.

53651090 is a deficient number, since it is larger than the sum of its proper divisors (42920890).

53651090 is a wasteful number, since it uses less digits than its factorization.

53651090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365116.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 53651090 is about 7324.6904371448. The cubic root of 53651090 is about 377.1604830053.

The spelling of 53651090 in words is "fifty-three million, six hundred fifty-one thousand, ninety".