53103655 has 16 divisors (see below), whose sum is σ = 71000064. Its totient is φ = 37797280.

The previous prime is 53103623. The next prime is 53103671. The reversal of 53103655 is 55630135.

It is a happy number.

It is not a de Polignac number, because 53103655 - 2⁵ = 53103623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7687 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (4437504).

Almost surely, 2^53103655 is an apocalyptic number.

53103655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53103655 is a deficient number, since it is larger than the sum of its proper divisors (17896409).

53103655 is a wasteful number, since it uses less digits than its factorization.

53103655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20606.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 53103655 is about 7287.2254665270. The cubic root of 53103655 is about 375.8732950736.

The spelling of 53103655 in words is "fifty-three million, one hundred three thousand, six hundred fifty-five".