55363775685 has 32 divisors (see below), whose sum is σ = 88810917888. Its totient is φ = 29451159360.

The previous prime is 55363775639. The next prime is 55363775693. The reversal of 55363775685 is 58657736355.

55363775685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55363775685 - 2¹³ = 55363767493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11870664 + ... + 11875326.

It is an arithmetic number, because the mean of its divisors is an integer number (2775341184).

Almost surely, 2^55363775685 is an apocalyptic number.

It is an amenable number.

55363775685 is a deficient number, since it is larger than the sum of its proper divisors (33447142203).

55363775685 is a wasteful number, since it uses less digits than its factorization.

55363775685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545.

The product of its digits is 79380000, while the sum is 60.

The spelling of 55363775685 in words is "fifty-five billion, three hundred sixty-three million, seven hundred seventy-five thousand, six hundred eighty-five".