55903862533 has 2 divisors, whose sum is σ = 55903862534. Its totient is φ = 55903862532.

The previous prime is 55903862519. The next prime is 55903862593. The reversal of 55903862533 is 33526830955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30701347524 + 25202515009 = 175218^2 + 158753^2 .

It is a cyclic number.

It is not a de Polignac number, because 55903862533 - 2²⁵ = 55870308101 is a prime.

It is a super-2 number, since 2×55903862533² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55903862593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27951931266 + 27951931267.

It is an arithmetic number, because the mean of its divisors is an integer number (27951931267).

Almost surely, 2^55903862533 is an apocalyptic number.

It is an amenable number.

55903862533 is a deficient number, since it is larger than the sum of its proper divisors (1).

55903862533 is an equidigital number, since it uses as much as digits as its factorization.

55903862533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916000, while the sum is 49.

The spelling of 55903862533 in words is "fifty-five billion, nine hundred three million, eight hundred sixty-two thousand, five hundred thirty-three".