55053583 has 12 divisors (see below), whose sum is σ = 62578488. Its totient is φ = 48139920.

The previous prime is 55053577. The next prime is 55053589. The reversal of 55053583 is 38535055.

It is an interprime number because it is at equal distance from previous prime (55053577) and next prime (55053589).

It is a de Polignac number, because none of the positive numbers 2^k-55053583 is a prime.

It is a super-2 number, since 2×55053583² = 6061794002275778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55053589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1173 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (5214874).

Almost surely, 2^55053583 is an apocalyptic number.

55053583 is the 4693-rd heptagonal number.

55053583 is a deficient number, since it is larger than the sum of its proper divisors (7524905).

55053583 is a wasteful number, since it uses less digits than its factorization.

55053583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11782 (or 11763 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 55053583 is about 7419.8101727740. The cubic root of 55053583 is about 380.4187051446.

The spelling of 55053583 in words is "fifty-five million, fifty-three thousand, five hundred eighty-three".