55536722 has 16 divisors (see below), whose sum is σ = 88345080. Its totient is φ = 26093568.

The previous prime is 55536713. The next prime is 55536731. The reversal of 55536722 is 22763555.

It is an interprime number because it is at equal distance from previous prime (55536713) and next prime (55536731).

It can be written as a sum of positive squares in 4 ways, for example, as 42367081 + 13169641 = 6509^2 + 3629^2 .

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, 36554 + ... + 38042.

Almost surely, 2^55536722 is an apocalyptic number.

55536722 is a deficient number, since it is larger than the sum of its proper divisors (32808358).

55536722 is a wasteful number, since it uses less digits than its factorization.

55536722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605.

The product of its digits is 63000, while the sum is 35.

The square root of 55536722 is about 7452.2964245929. The cubic root of 55536722 is about 381.5282912326.

The spelling of 55536722 in words is "fifty-five million, five hundred thirty-six thousand, seven hundred twenty-two".