53901603 has 12 divisors (see below), whose sum is σ = 88980528. Its totient is φ = 30800880.

The previous prime is 53901599. The next prime is 53901623. The reversal of 53901603 is 30610935.

53901603 is a `hidden beast` number, since 53 + 9 + 0 + 1 + 603 = 666.

It is not a de Polignac number, because 53901603 - 2² = 53901599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53901623) 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, 427728 + ... + 427853.

It is an arithmetic number, because the mean of its divisors is an integer number (7415044).

Almost surely, 2^53901603 is an apocalyptic number.

53901603 is a deficient number, since it is larger than the sum of its proper divisors (35078925).

53901603 is a wasteful number, since it uses less digits than its factorization.

53901603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855594 (or 855591 counting only the distinct ones).

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

The square root of 53901603 is about 7341.7711078458. The cubic root of 53901603 is about 377.7465967697.

The spelling of 53901603 in words is "fifty-three million, nine hundred one thousand, six hundred three".