55196722 has 16 divisors (see below), whose sum is σ = 100189440. Its totient is φ = 22264128.

The previous prime is 55196717. The next prime is 55196723. The reversal of 55196722 is 22769155.

It is not an unprimeable number, because it can be changed into a prime (55196723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115722 + ... + 116197.

It is an arithmetic number, because the mean of its divisors is an integer number (6261840).

Almost surely, 2^55196722 is an apocalyptic number.

55196722 is a deficient number, since it is larger than the sum of its proper divisors (44992718).

55196722 is a wasteful number, since it uses less digits than its factorization.

55196722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231945.

The product of its digits is 37800, while the sum is 37.

The square root of 55196722 is about 7429.4496431432. The cubic root of 55196722 is about 380.7481153049.

The spelling of 55196722 in words is "fifty-five million, one hundred ninety-six thousand, seven hundred twenty-two".