55722010 has 32 divisors (see below), whose sum is σ = 102390480. Its totient is φ = 21829632.

The previous prime is 55721959. The next prime is 55722047. The reversal of 55722010 is 1022755.

It can be written as a sum of positive squares in 8 ways, for example, as 28504921 + 27217089 = 5339^2 + 5217^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121702 + ... + 122158.

Almost surely, 2^55722010 is an apocalyptic number.

55722010 is a deficient number, since it is larger than the sum of its proper divisors (46668470).

55722010 is a wasteful number, since it uses less digits than its factorization.

55722010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 55722010 is about 7464.7176771798. The cubic root of 55722010 is about 381.9521197630.

Adding to 55722010 its reverse (1022755), we get a palindrome (56744765).

The spelling of 55722010 in words is "fifty-five million, seven hundred twenty-two thousand, ten".