53507214 has 24 divisors (see below), whose sum is σ = 118761552. Its totient is φ = 17400480.

The previous prime is 53507213. The next prime is 53507219. The reversal of 53507214 is 41270535.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53507213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35514 + ... + 36989.

It is an arithmetic number, because the mean of its divisors is an integer number (4948398).

Almost surely, 2^53507214 is an apocalyptic number.

53507214 is an abundant number, since it is smaller than the sum of its proper divisors (65254338).

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

53507214 is a wasteful number, since it uses less digits than its factorization.

53507214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72552 (or 72549 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 53507214 is about 7314.8625414289. The cubic root of 53507214 is about 376.8230377276.

Adding to 53507214 its reverse (41270535), we get a palindrome (94777749).

The spelling of 53507214 in words is "fifty-three million, five hundred seven thousand, two hundred fourteen".