55746142 has 32 divisors (see below), whose sum is σ = 88833024. Its totient is φ = 26208000.

The previous prime is 55746139. The next prime is 55746169. The reversal of 55746142 is 24164755.

It is a junction number, because it is equal to n+sod(n) for n = 55746098 and 55746107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438883 + ... + 439009.

It is an arithmetic number, because the mean of its divisors is an integer number (2776032).

Almost surely, 2^55746142 is an apocalyptic number.

55746142 is a deficient number, since it is larger than the sum of its proper divisors (33086882).

55746142 is a wasteful number, since it uses less digits than its factorization.

55746142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its digits is 33600, while the sum is 34.

The square root of 55746142 is about 7466.3339062756. Note that the first 3 decimals coincide. The cubic root of 55746142 is about 382.0072502119.

The spelling of 55746142 in words is "fifty-five million, seven hundred forty-six thousand, one hundred forty-two".