55790943 has 16 divisors (see below), whose sum is σ = 80582880. Its totient is φ = 34130304.

The previous prime is 55790929. The next prime is 55790951. The reversal of 55790943 is 34909755.

It is not a de Polignac number, because 55790943 - 2⁶ = 55790879 is a prime.

It is a super-2 number, since 2×55790943² = 6225258641658498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55790895 and 55790904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55790953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2613 + ... + 10881.

It is an arithmetic number, because the mean of its divisors is an integer number (5036430).

Almost surely, 2^55790943 is an apocalyptic number.

55790943 is a deficient number, since it is larger than the sum of its proper divisors (24791937).

55790943 is a wasteful number, since it uses less digits than its factorization.

55790943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 55790943 is about 7469.3335044032. Note that the first 3 decimals coincide. The cubic root of 55790943 is about 382.1095575857.

The spelling of 55790943 in words is "fifty-five million, seven hundred ninety thousand, nine hundred forty-three".