55780600894 has 16 divisors (see below), whose sum is σ = 84928111488. Its totient is φ = 27471312792.

The previous prime is 55780600879. The next prime is 55780600907. The reversal of 55780600894 is 49800608755.

It is a super-2 number, since 2×55780600894² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2398687 + ... + 2421829.

It is an arithmetic number, because the mean of its divisors is an integer number (5308006968).

Almost surely, 2^55780600894 is an apocalyptic number.

55780600894 is a deficient number, since it is larger than the sum of its proper divisors (29147510594).

55780600894 is a wasteful number, since it uses less digits than its factorization.

55780600894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41199.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 55780600894 in words is "fifty-five billion, seven hundred eighty million, six hundred thousand, eight hundred ninety-four".