53158779 has 12 divisors (see below), whose sum is σ = 81301896. Its totient is φ = 33354432.

The previous prime is 53158759. The next prime is 53158799. The reversal of 53158779 is 97785135.

It is an interprime number because it is at equal distance from previous prime (53158759) and next prime (53158799).

It is not a de Polignac number, because 53158779 - 2¹¹ = 53156731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53158709) 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, 173569 + ... + 173874.

It is an arithmetic number, because the mean of its divisors is an integer number (6775158).

Almost surely, 2^53158779 is an apocalyptic number.

53158779 is a deficient number, since it is larger than the sum of its proper divisors (28143117).

53158779 is a wasteful number, since it uses less digits than its factorization.

53158779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347466 (or 347463 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 53158779 is about 7291.0067206114. The cubic root of 53158779 is about 376.0033079345.

The spelling of 53158779 in words is "fifty-three million, one hundred fifty-eight thousand, seven hundred seventy-nine".