53139174 has 64 divisors (see below), whose sum is σ = 120206592. Its totient is φ = 15523200.

The previous prime is 53139167. The next prime is 53139209. The reversal of 53139174 is 47193135.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269644 + ... + 269840.

It is an arithmetic number, because the mean of its divisors is an integer number (1878228).

Almost surely, 2^53139174 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53139174, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60103296).

53139174 is an abundant number, since it is smaller than the sum of its proper divisors (67067418).

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

53139174 is a wasteful number, since it uses less digits than its factorization.

53139174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

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

The square root of 53139174 is about 7289.6621320882. The cubic root of 53139174 is about 375.9570788112.

The spelling of 53139174 in words is "fifty-three million, one hundred thirty-nine thousand, one hundred seventy-four".