53277690 has 32 divisors (see below), whose sum is σ = 129672576. Its totient is φ = 14006720.

The previous prime is 53277671. The next prime is 53277709. The reversal of 53277690 is 9677235.

It is an interprime number because it is at equal distance from previous prime (53277671) and next prime (53277709).

It is a super-2 number, since 2×53277690² = 5677024503472200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10377 + ... + 14636.

It is an arithmetic number, because the mean of its divisors is an integer number (4052268).

Almost surely, 2^53277690 is an apocalyptic number.

53277690 is an abundant number, since it is smaller than the sum of its proper divisors (76394886).

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

53277690 is a wasteful number, since it uses less digits than its factorization.

53277690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25094.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 53277690 is about 7299.1568006175. The cubic root of 53277690 is about 376.2834600471.

The spelling of 53277690 in words is "fifty-three million, two hundred seventy-seven thousand, six hundred ninety".