55790539 has 8 divisors (see below), whose sum is σ = 64806368. Its totient is φ = 47036160.

The previous prime is 55790533. The next prime is 55790543. The reversal of 55790539 is 93509755.

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

It is a cyclic number.

It is not a de Polignac number, because 55790539 - 2³ = 55790531 is a prime.

It is a super-2 number, since 2×55790539² = 6225168483821042, 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 = 55790495 and 55790504.

It is not an unprimeable number, because it can be changed into a prime (55790531) 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, 64902 + ... + 65755.

It is an arithmetic number, because the mean of its divisors is an integer number (8100796).

Almost surely, 2^55790539 is an apocalyptic number.

55790539 is a deficient number, since it is larger than the sum of its proper divisors (9015829).

55790539 is a wasteful number, since it uses less digits than its factorization.

55790539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130725.

The product of its (nonzero) digits is 212625, while the sum is 43.

The square root of 55790539 is about 7469.3064604420. The cubic root of 55790539 is about 382.1086352578.

The spelling of 55790539 in words is "fifty-five million, seven hundred ninety thousand, five hundred thirty-nine".