55466814 has 48 divisors (see below), whose sum is σ = 126489600. Its totient is φ = 16162848.

The previous prime is 55466813. The next prime is 55466857. The reversal of 55466814 is 41866455.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55466813) 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, 17827 + ... + 20705.

It is an arithmetic number, because the mean of its divisors is an integer number (2635200).

Almost surely, 2^55466814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55466814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63244800).

55466814 is an abundant number, since it is smaller than the sum of its proper divisors (71022786).

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

55466814 is a wasteful number, since it uses less digits than its factorization.

55466814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2916 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 55466814 is about 7447.6045813402. The cubic root of 55466814 is about 381.3681384669.

It can be divided in two parts, 55466 and 814, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 55466814 in words is "fifty-five million, four hundred sixty-six thousand, eight hundred fourteen".