55722262 has 8 divisors (see below), whose sum is σ = 84067056. Its totient is φ = 27699912.

The previous prime is 55722241. The next prime is 55722263. The reversal of 55722262 is 26222755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55722263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80178 + ... + 80869.

It is an arithmetic number, because the mean of its divisors is an integer number (10508382).

Almost surely, 2^55722262 is an apocalyptic number.

55722262 is a deficient number, since it is larger than the sum of its proper divisors (28344794).

55722262 is a wasteful number, since it uses less digits than its factorization.

55722262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161222.

The product of its digits is 16800, while the sum is 31.

The square root of 55722262 is about 7464.7345565666. The cubic root of 55722262 is about 381.9526955486.

The spelling of 55722262 in words is "fifty-five million, seven hundred twenty-two thousand, two hundred sixty-two".