53291415 has 16 divisors (see below), whose sum is σ = 88207200. Its totient is φ = 27441792.

The previous prime is 53291411. The next prime is 53291417. The reversal of 53291415 is 51419235.

It is not a de Polignac number, because 53291415 - 2² = 53291411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53291411) 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, 60820 + ... + 61689.

It is an arithmetic number, because the mean of its divisors is an integer number (5512950).

Almost surely, 2^53291415 is an apocalyptic number.

53291415 is a deficient number, since it is larger than the sum of its proper divisors (34915785).

53291415 is a wasteful number, since it uses less digits than its factorization.

53291415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122546.

The product of its digits is 5400, while the sum is 30.

The square root of 53291415 is about 7300.0969171649. The cubic root of 53291415 is about 376.3157690497.

The spelling of 53291415 in words is "fifty-three million, two hundred ninety-one thousand, four hundred fifteen".