55722134 has 16 divisors (see below), whose sum is σ = 90342672. Its totient is φ = 25623648.

The previous prime is 55722131. The next prime is 55722167. The reversal of 55722134 is 43122755.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55722097 and 55722106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55722131) 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, 3572 + ... + 11144.

It is an arithmetic number, because the mean of its divisors is an integer number (5646417).

Almost surely, 2^55722134 is an apocalyptic number.

55722134 is a deficient number, since it is larger than the sum of its proper divisors (34620538).

55722134 is a wasteful number, since it uses less digits than its factorization.

55722134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871.

The product of its digits is 8400, while the sum is 29.

The square root of 55722134 is about 7464.7259829146. The cubic root of 55722134 is about 381.9524030863.

Adding to 55722134 its reverse (43122755), we get a palindrome (98844889).

The spelling of 55722134 in words is "fifty-five million, seven hundred twenty-two thousand, one hundred thirty-four".