52894215 has 80 divisors (see below), whose sum is σ = 107053056. Its totient is φ = 24753600.

The previous prime is 52894211. The next prime is 52894217. The reversal of 52894215 is 51249825.

It is not a de Polignac number, because 52894215 - 2² = 52894211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52894215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52894211) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 137914 + ... + 138296.

Almost surely, 2^52894215 is an apocalyptic number.

52894215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52894215 is an abundant number, since it is smaller than the sum of its proper divisors (54158841).

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

52894215 is a wasteful number, since it uses less digits than its factorization.

52894215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 433 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 52894215 is about 7272.8409167257. The cubic root of 52894215 is about 375.3784978432.

The spelling of 52894215 in words is "fifty-two million, eight hundred ninety-four thousand, two hundred fifteen".