55325379 has 4 divisors (see below), whose sum is σ = 73767176. Its totient is φ = 36883584.

The previous prime is 55325371. The next prime is 55325381. The reversal of 55325379 is 97352355.

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

It is not a de Polignac number, because 55325379 - 2³ = 55325371 is a prime.

It is a super-2 number, since 2×55325379² = 6121795122987282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55325371) 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, 9220894 + ... + 9220899.

It is an arithmetic number, because the mean of its divisors is an integer number (18441794).

Almost surely, 2^55325379 is an apocalyptic number.

55325379 is a deficient number, since it is larger than the sum of its proper divisors (18441797).

55325379 is a wasteful number, since it uses less digits than its factorization.

55325379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18441796.

The product of its digits is 141750, while the sum is 39.

The square root of 55325379 is about 7438.1031856247. The cubic root of 55325379 is about 381.0437119611.

The spelling of 55325379 in words is "fifty-five million, three hundred twenty-five thousand, three hundred seventy-nine".