55290983 has 8 divisors (see below), whose sum is σ = 60996240. Its totient is φ = 49698880.

The previous prime is 55290979. The next prime is 55291043. The reversal of 55290983 is 38909255.

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

It is not a de Polignac number, because 55290983 - 2² = 55290979 is a prime.

It is a super-2 number, since 2×55290983² = 6114185602212578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55290983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55298983) 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, 27260 + ... + 29217.

It is an arithmetic number, because the mean of its divisors is an integer number (7624530).

Almost surely, 2^55290983 is an apocalyptic number.

55290983 is a deficient number, since it is larger than the sum of its proper divisors (5705257).

55290983 is a wasteful number, since it uses less digits than its factorization.

55290983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56577.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 55290983 is about 7435.7906775272. The cubic root of 55290983 is about 380.9647301461.

The spelling of 55290983 in words is "fifty-five million, two hundred ninety thousand, nine hundred eighty-three".