55860131 has 4 divisors (see below), whose sum is σ = 55935264. Its totient is φ = 55785000.

The previous prime is 55860083. The next prime is 55860137. The reversal of 55860131 is 13106855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13106855 = 5 ⋅2621371.

It is a cyclic number.

It is not a de Polignac number, because 55860131 - 2⁶ = 55860067 is a prime.

It is a super-2 number, since 2×55860131² = 6240708470674322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55860094 and 55860103.

It is not an unprimeable number, because it can be changed into a prime (55860137) 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, 36440 + ... + 37941.

It is an arithmetic number, because the mean of its divisors is an integer number (13983816).

Almost surely, 2^55860131 is an apocalyptic number.

55860131 is a deficient number, since it is larger than the sum of its proper divisors (75133).

55860131 is an equidigital number, since it uses as much as digits as its factorization.

55860131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75132.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 55860131 is about 7473.9635401840. The cubic root of 55860131 is about 382.2674474604.

Adding to 55860131 its reverse (13106855), we get a palindrome (68966986).

The spelling of 55860131 in words is "fifty-five million, eight hundred sixty thousand, one hundred thirty-one".