55929722 has 4 divisors (see below), whose sum is σ = 83894586. Its totient is φ = 27964860.

The previous prime is 55929707. The next prime is 55929733. The reversal of 55929722 is 22792955.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32706961 + 23222761 = 5719^2 + 4819^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55929722.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13982429 + ... + 13982432.

Almost surely, 2^55929722 is an apocalyptic number.

55929722 is a deficient number, since it is larger than the sum of its proper divisors (27964864).

55929722 is a wasteful number, since it uses less digits than its factorization.

55929722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27964863.

The product of its digits is 113400, while the sum is 41.

The square root of 55929722 is about 7478.6176530158. The cubic root of 55929722 is about 382.4261255369.

The spelling of 55929722 in words is "fifty-five million, nine hundred twenty-nine thousand, seven hundred twenty-two".