53214525 has 144 divisors (see below), whose sum is σ = 123492096. Its totient is φ = 21288960.

The previous prime is 53214523. The next prime is 53214527. The reversal of 53214525 is 52541235.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53214523) and next prime (53214527).

It is not a de Polignac number, because 53214525 - 2¹ = 53214523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53214523) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 470869 + ... + 470981.

It is an arithmetic number, because the mean of its divisors is an integer number (857584).

Almost surely, 2^53214525 is an apocalyptic number.

It is an amenable number.

53214525 is an abundant number, since it is smaller than the sum of its proper divisors (70277571).

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

53214525 is a wasteful number, since it uses less digits than its factorization.

53214525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 164 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 53214525 is about 7294.8286477477. The cubic root of 53214525 is about 376.1346964409.

The spelling of 53214525 in words is "fifty-three million, two hundred fourteen thousand, five hundred twenty-five".