53555832783 has 24 divisors (see below), whose sum is σ = 78832903968. Its totient is φ = 35023614912.

The previous prime is 53555832749. The next prime is 53555832809. The reversal of 53555832783 is 38723855535.

53555832783 is a `hidden beast` number, since 5 + 3 + 5 + 558 + 3 + 2 + 7 + 83 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-53555832783 is a prime.

It is a super-3 number, since 3×53555832783³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53555832983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4882341 + ... + 4893297.

It is an arithmetic number, because the mean of its divisors is an integer number (3284704332).

Almost surely, 2^53555832783 is an apocalyptic number.

53555832783 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

53555832783 is a deficient number, since it is larger than the sum of its proper divisors (25277071185).

53555832783 is a wasteful number, since it uses less digits than its factorization.

53555832783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21263 (or 21260 counting only the distinct ones).

The product of its digits is 15120000, while the sum is 54.

The spelling of 53555832783 in words is "fifty-three billion, five hundred fifty-five million, eight hundred thirty-two thousand, seven hundred eighty-three".