53158415 has 4 divisors (see below), whose sum is σ = 63790104. Its totient is φ = 42526728.

The previous prime is 53158411. The next prime is 53158423. The reversal of 53158415 is 51485135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53158415 - 2² = 53158411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53158411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5315837 + ... + 5315846.

It is an arithmetic number, because the mean of its divisors is an integer number (15947526).

Almost surely, 2^53158415 is an apocalyptic number.

53158415 is a deficient number, since it is larger than the sum of its proper divisors (10631689).

53158415 is a wasteful number, since it uses less digits than its factorization.

53158415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631688.

The product of its digits is 12000, while the sum is 32.

The square root of 53158415 is about 7290.9817583094. The cubic root of 53158415 is about 376.0024497162.

The spelling of 53158415 in words is "fifty-three million, one hundred fifty-eight thousand, four hundred fifteen".