55002783 has 16 divisors (see below), whose sum is σ = 80833536. Its totient is φ = 32989440.

The previous prime is 55002767. The next prime is 55002791. The reversal of 55002783 is 38720055.

It is a happy number.

It is not a de Polignac number, because 55002783 - 2⁴ = 55002767 is a prime.

It is a super-2 number, since 2×55002783² = 6050612275490178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55002783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55002733) 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, 5391 + ... + 11792.

It is an arithmetic number, because the mean of its divisors is an integer number (5052096).

Almost surely, 2^55002783 is an apocalyptic number.

55002783 is a deficient number, since it is larger than the sum of its proper divisors (25830753).

55002783 is a wasteful number, since it uses less digits than its factorization.

55002783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17294.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 55002783 is about 7416.3861145439. The cubic root of 55002783 is about 380.3016602811.

The spelling of 55002783 in words is "fifty-five million, two thousand, seven hundred eighty-three".