53749503 has 12 divisors (see below), whose sum is σ = 78511680. Its totient is φ = 35429856.

The previous prime is 53749489. The next prime is 53749511. The reversal of 53749503 is 30594735.

It is not a de Polignac number, because 53749503 - 2⁵ = 53749471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53749513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32751 + ... + 34352.

It is an arithmetic number, because the mean of its divisors is an integer number (6542640).

Almost surely, 2^53749503 is an apocalyptic number.

53749503 is a deficient number, since it is larger than the sum of its proper divisors (24762177).

53749503 is a wasteful number, since it uses less digits than its factorization.

53749503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67198 (or 67195 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 53749503 is about 7331.4052541106. The cubic root of 53749503 is about 377.3909525239.

The spelling of 53749503 in words is "fifty-three million, seven hundred forty-nine thousand, five hundred three".