53371725 has 24 divisors (see below), whose sum is σ = 96264672. Its totient is φ = 25876800.

The previous prime is 53371699. The next prime is 53371727. The reversal of 53371725 is 52717335.

It is not a de Polignac number, because 53371725 - 2⁵ = 53371693 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53371727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31522 + ... + 33171.

It is an arithmetic number, because the mean of its divisors is an integer number (4011028).

Almost surely, 2^53371725 is an apocalyptic number.

53371725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53371725 is a deficient number, since it is larger than the sum of its proper divisors (42892947).

53371725 is a wasteful number, since it uses less digits than its factorization.

53371725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64717 (or 64712 counting only the distinct ones).

The product of its digits is 22050, while the sum is 33.

The square root of 53371725 is about 7305.5954582772. The cubic root of 53371725 is about 376.5047097429.

The spelling of 53371725 in words is "fifty-three million, three hundred seventy-one thousand, seven hundred twenty-five".