55413579 has 12 divisors (see below), whose sum is σ = 80006136. Its totient is φ = 34100352.

The previous prime is 55413563. The next prime is 55413599. The reversal of 55413579 is 97531455.

It is not a de Polignac number, because 55413579 - 2⁴ = 55413563 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55413599) 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, 54142 + ... + 55155.

It is an arithmetic number, because the mean of its divisors is an integer number (6667178).

Almost surely, 2^55413579 is an apocalyptic number.

55413579 is a deficient number, since it is larger than the sum of its proper divisors (24592557).

55413579 is a wasteful number, since it uses less digits than its factorization.

55413579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109326 (or 109313 counting only the distinct ones).

The product of its digits is 94500, while the sum is 39.

The square root of 55413579 is about 7444.0297554483. The cubic root of 55413579 is about 381.2460917274.

The spelling of 55413579 in words is "fifty-five million, four hundred thirteen thousand, five hundred seventy-nine".