53507901 has 4 divisors (see below), whose sum is σ = 71343872. Its totient is φ = 35671932.

The previous prime is 53507897. The next prime is 53507903. The reversal of 53507901 is 10970535.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53507901 - 2² = 53507897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53507903) 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, 8917981 + ... + 8917986.

It is an arithmetic number, because the mean of its divisors is an integer number (17835968).

Almost surely, 2^53507901 is an apocalyptic number.

It is an amenable number.

53507901 is a deficient number, since it is larger than the sum of its proper divisors (17835971).

53507901 is a wasteful number, since it uses less digits than its factorization.

53507901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17835970.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 53507901 is about 7314.9095004655. The cubic root of 53507901 is about 376.8246504467.

The spelling of 53507901 in words is "fifty-three million, five hundred seven thousand, nine hundred one".