55162539 has 10 divisors (see below), whose sum is σ = 82403420. Its totient is φ = 36774972.

The previous prime is 55162531. The next prime is 55162543. The reversal of 55162539 is 93526155.

It is not a de Polignac number, because 55162539 - 2³ = 55162531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55162531) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 340429 + ... + 340590.

It is an arithmetic number, because the mean of its divisors is an integer number (8240342).

Almost surely, 2^55162539 is an apocalyptic number.

55162539 is a deficient number, since it is larger than the sum of its proper divisors (27240881).

55162539 is an equidigital number, since it uses as much as digits as its factorization.

55162539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681031 (or 681022 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 55162539 is about 7427.1487799828. The cubic root of 55162539 is about 380.6695007302.

The spelling of 55162539 in words is "fifty-five million, one hundred sixty-two thousand, five hundred thirty-nine".