55825285807511 has 32 divisors (see below), whose sum is σ = 65144397629952. Its totient is φ = 47335610424960.

The previous prime is 55825285807493. The next prime is 55825285807513. The reversal of 55825285807511 is 11570858252855.

It is a happy number.

It is not a de Polignac number, because 55825285807511 - 2³⁴ = 55808105938327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55825285807513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10585100 + ... + 14956433.

It is an arithmetic number, because the mean of its divisors is an integer number (2035762425936).

Almost surely, 2^{55825285807511} is an apocalyptic number.

55825285807511 is a deficient number, since it is larger than the sum of its proper divisors (9319111822441).

55825285807511 is a wasteful number, since it uses less digits than its factorization.

55825285807511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25541783.

The product of its (nonzero) digits is 44800000, while the sum is 62.

The spelling of 55825285807511 in words is "fifty-five trillion, eight hundred twenty-five billion, two hundred eighty-five million, eight hundred seven thousand, five hundred eleven".