53103690 has 24 divisors (see below), whose sum is σ = 138069828. Its totient is φ = 14160960.

The previous prime is 53103671. The next prime is 53103691. The reversal of 53103690 is 9630135.

It can be written as a sum of positive squares in 2 ways, for example, as 52403121 + 700569 = 7239^2 + 837^2 .

It is a super-2 number, since 2×53103690² = 5640003783232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53103691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294931 + ... + 295110.

Almost surely, 2^53103690 is an apocalyptic number.

53103690 is an abundant number, since it is smaller than the sum of its proper divisors (84966138).

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

53103690 is a wasteful number, since it uses less digits than its factorization.

53103690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590054 (or 590051 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 53103690 is about 7287.2278679893. The cubic root of 53103690 is about 375.8733776515.

The spelling of 53103690 in words is "fifty-three million, one hundred three thousand, six hundred ninety".