53117742 has 16 divisors (see below), whose sum is σ = 106314192. Its totient is φ = 17692800.

The previous prime is 53117693. The next prime is 53117761. The reversal of 53117742 is 24771135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9078 + ... + 13734.

It is an arithmetic number, because the mean of its divisors is an integer number (6644637).

Almost surely, 2^53117742 is an apocalyptic number.

53117742 is an abundant number, since it is smaller than the sum of its proper divisors (53196450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53117742 is a wasteful number, since it uses less digits than its factorization.

53117742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563.

The product of its digits is 5880, while the sum is 30.

The square root of 53117742 is about 7288.1919568573. The cubic root of 53117742 is about 375.9065285611.

Adding to 53117742 its reverse (24771135), we get a palindrome (77888877).

The spelling of 53117742 in words is "fifty-three million, one hundred seventeen thousand, seven hundred forty-two".