52279215 has 16 divisors (see below), whose sum is σ = 83770848. Its totient is φ = 27840896.

The previous prime is 52279211. The next prime is 52279219. The reversal of 52279215 is 51297225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52279211) and next prime (52279219).

It is a cyclic number.

It is not a de Polignac number, because 52279215 - 2² = 52279211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52279211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9769 + ... + 14141.

It is an arithmetic number, because the mean of its divisors is an integer number (5235678).

Almost surely, 2^52279215 is an apocalyptic number.

52279215 is a deficient number, since it is larger than the sum of its proper divisors (31491633).

52279215 is a wasteful number, since it uses less digits than its factorization.

52279215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178.

The product of its digits is 12600, while the sum is 33.

The square root of 52279215 is about 7230.4367088026. The cubic root of 52279215 is about 373.9179831973.

The spelling of 52279215 in words is "fifty-two million, two hundred seventy-nine thousand, two hundred fifteen".