55212593814 has 32 divisors (see below), whose sum is σ = 140222461440. Its totient is φ = 15775026696.

The previous prime is 55212593801. The next prime is 55212593827. The reversal of 55212593814 is 41839521255.

55212593814 is a `hidden beast` number, since 5 + 5 + 212 + 59 + 381 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (55212593801) and next prime (55212593827).

It is a self number, because there is not a number n which added to its sum of digits gives 55212593814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73032154 + ... + 73032909.

It is an arithmetic number, because the mean of its divisors is an integer number (4381951920).

Almost surely, 2^55212593814 is an apocalyptic number.

55212593814 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55212593814 is an abundant number, since it is smaller than the sum of its proper divisors (85009867626).

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

55212593814 is a wasteful number, since it uses less digits than its factorization.

55212593814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146065081 (or 146065075 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The spelling of 55212593814 in words is "fifty-five billion, two hundred twelve million, five hundred ninety-three thousand, eight hundred fourteen".