55546722 has 160 divisors (see below), whose sum is σ = 159882624. Its totient is φ = 13996800.

The previous prime is 55546721. The next prime is 55546741. The reversal of 55546722 is 22764555.

It is not an unprimeable number, because it can be changed into a prime (55546721) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 760878 + ... + 760950.

Almost surely, 2^55546722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55546722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79941312).

55546722 is an abundant number, since it is smaller than the sum of its proper divisors (104335902).

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

55546722 is a wasteful number, since it uses less digits than its factorization.

55546722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 157 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 55546722 is about 7452.9673285209. The cubic root of 55546722 is about 381.5511893187.

The spelling of 55546722 in words is "fifty-five million, five hundred forty-six thousand, seven hundred twenty-two".