55899783271494 has 48 divisors (see below), whose sum is σ = 129439190366928. Its totient is φ = 17373287955456.

The previous prime is 55899783271489. The next prime is 55899783271499. The reversal of 55899783271494 is 49417238799855.

It is a happy number.

55899783271494 is a `hidden beast` number, since 5 + 5 + 8 + 9 + 97 + 8 + 32 + 7 + 1 + 494 = 666.

It is an interprime number because it is at equal distance from previous prime (55899783271489) and next prime (55899783271499).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55899783271499) 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, 853607587 + ... + 853673070.

It is an arithmetic number, because the mean of its divisors is an integer number (2696649799311).

Almost surely, 2^{55899783271494} is an apocalyptic number.

55899783271494 is an abundant number, since it is smaller than the sum of its proper divisors (73539407095434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55899783271494 is a wasteful number, since it uses less digits than its factorization.

55899783271494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707280789 (or 1707280786 counting only the distinct ones).

The product of its digits is 5486745600, while the sum is 81.

The spelling of 55899783271494 in words is "fifty-five trillion, eight hundred ninety-nine billion, seven hundred eighty-three million, two hundred seventy-one thousand, four hundred ninety-four".