53492290 has 16 divisors (see below), whose sum is σ = 98635320. Its totient is φ = 20874880.

The previous prime is 53492287. The next prime is 53492297. The reversal of 53492290 is 9229435.

It can be written as a sum of positive squares in 4 ways, for example, as 30173049 + 23319241 = 5493^2 + 4829^2 .

It is a super-2 number, since 2×53492290² = 5722850178888200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53492297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64825 + ... + 65644.

Almost surely, 2^53492290 is an apocalyptic number.

53492290 is a deficient number, since it is larger than the sum of its proper divisors (45143030).

53492290 is a wasteful number, since it uses less digits than its factorization.

53492290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130517.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 53492290 is about 7313.8423554244. The cubic root of 53492290 is about 376.7880005209.

The spelling of 53492290 in words is "fifty-three million, four hundred ninety-two thousand, two hundred ninety".