55723402 has 16 divisors (see below), whose sum is σ = 95622912. Its totient is φ = 23857200.

The previous prime is 55723397. The next prime is 55723403. The reversal of 55723402 is 20432755.

It is not an unprimeable number, because it can be changed into a prime (55723403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22527 + ... + 24877.

It is an arithmetic number, because the mean of its divisors is an integer number (5976432).

Almost surely, 2^55723402 is an apocalyptic number.

55723402 is a deficient number, since it is larger than the sum of its proper divisors (39899510).

55723402 is a wasteful number, since it uses less digits than its factorization.

55723402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 55723402 is about 7464.8109152208. The cubic root of 55723402 is about 381.9553002712.

The spelling of 55723402 in words is "fifty-five million, seven hundred twenty-three thousand, four hundred two".