53602690 has 8 divisors (see below), whose sum is σ = 96484860. Its totient is φ = 21441072.

The previous prime is 53602687. The next prime is 53602691. The reversal of 53602690 is 9620635.

It can be written as a sum of positive squares in 2 ways, for example, as 52519009 + 1083681 = 7247^2 + 1041^2 .

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

It is a super-2 number, since 2×53602690² = 5746496750472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53602691) 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, 2680125 + ... + 2680144.

Almost surely, 2^53602690 is an apocalyptic number.

53602690 is a deficient number, since it is larger than the sum of its proper divisors (42882170).

53602690 is a wasteful number, since it uses less digits than its factorization.

53602690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360276.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 53602690 is about 7321.3857977845. The cubic root of 53602690 is about 377.0470335586.

The spelling of 53602690 in words is "fifty-three million, six hundred two thousand, six hundred ninety".