53139741 has 8 divisors (see below), whose sum is σ = 70892640. Its totient is φ = 35406672.

The previous prime is 53139703. The next prime is 53139763. The reversal of 53139741 is 14793135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53139741 - 2⁷ = 53139613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53139791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3231 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (8861580).

Almost surely, 2^53139741 is an apocalyptic number.

It is an amenable number.

53139741 is a deficient number, since it is larger than the sum of its proper divisors (17752899).

53139741 is a wasteful number, since it uses less digits than its factorization.

53139741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9915.

The product of its digits is 11340, while the sum is 33.

The square root of 53139741 is about 7289.7010226758. The cubic root of 53139741 is about 375.9584159723.

The spelling of 53139741 in words is "fifty-three million, one hundred thirty-nine thousand, seven hundred forty-one".