53415726 has 96 divisors (see below), whose sum is σ = 139281408. Its totient is φ = 13296960.

The previous prime is 53415721. The next prime is 53415727. The reversal of 53415726 is 62751435.

Its product of digits (25200) is a multiple of the sum of its prime divisors (315).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53415721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196971 + ... + 197241.

It is an arithmetic number, because the mean of its divisors is an integer number (1450848).

Almost surely, 2^53415726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53415726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69640704).

53415726 is an abundant number, since it is smaller than the sum of its proper divisors (85865682).

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

53415726 is a wasteful number, since it uses less digits than its factorization.

53415726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 315 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 53415726 is about 7308.6062966889. The cubic root of 53415726 is about 376.6081479909.

The spelling of 53415726 in words is "fifty-three million, four hundred fifteen thousand, seven hundred twenty-six".