55156522 has 8 divisors (see below), whose sum is σ = 83290500. Its totient is φ = 27393024.

The previous prime is 55156501. The next prime is 55156531. The reversal of 55156522 is 22565155.

It can be written as a sum of positive squares in 2 ways, for example, as 50708641 + 4447881 = 7121^2 + 2109^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92247 + ... + 92842.

Almost surely, 2^55156522 is an apocalyptic number.

55156522 is a deficient number, since it is larger than the sum of its proper divisors (28133978).

55156522 is a wasteful number, since it uses less digits than its factorization.

55156522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185240.

The product of its digits is 15000, while the sum is 31.

The square root of 55156522 is about 7426.7437009769. The cubic root of 55156522 is about 380.6556593823.

The spelling of 55156522 in words is "fifty-five million, one hundred fifty-six thousand, five hundred twenty-two".