55195131 has 8 divisors (see below), whose sum is σ = 74019600. Its totient is φ = 36583712.

The previous prime is 55195123. The next prime is 55195163. The reversal of 55195131 is 13159155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55195131 - 2³ = 55195123 is a prime.

It is a super-2 number, since 2×55195131² = 6093004972214322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55195831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52656 + ... + 53693.

It is an arithmetic number, because the mean of its divisors is an integer number (9252450).

Almost surely, 2^55195131 is an apocalyptic number.

55195131 is a deficient number, since it is larger than the sum of its proper divisors (18824469).

55195131 is a wasteful number, since it uses less digits than its factorization.

55195131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106525.

The product of its digits is 3375, while the sum is 30.

The square root of 55195131 is about 7429.3425684915. The cubic root of 55195131 is about 380.7444570196.

The spelling of 55195131 in words is "fifty-five million, one hundred ninety-five thousand, one hundred thirty-one".