55342931 has 8 divisors (see below), whose sum is σ = 63711840. Its totient is φ = 47089728.

The previous prime is 55342927. The next prime is 55342951. The reversal of 55342931 is 13924355.

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

It is not a de Polignac number, because 55342931 - 2² = 55342927 is a prime.

It is a super-2 number, since 2×55342931² = 6125680023341522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55342951) 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, 27896 + ... + 29813.

It is an arithmetic number, because the mean of its divisors is an integer number (7963980).

Almost surely, 2^55342931 is an apocalyptic number.

55342931 is a deficient number, since it is larger than the sum of its proper divisors (8368909).

55342931 is a wasteful number, since it uses less digits than its factorization.

55342931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57853.

The product of its digits is 16200, while the sum is 32.

The square root of 55342931 is about 7439.2829627592. The cubic root of 55342931 is about 381.0840031271.

The spelling of 55342931 in words is "fifty-five million, three hundred forty-two thousand, nine hundred thirty-one".