55511522 has 8 divisors (see below), whose sum is σ = 90837072. Its totient is φ = 25232500.

The previous prime is 55511509. The next prime is 55511537. The reversal of 55511522 is 22511555.

55511522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 55511491 and 55511500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261604 + ... + 1261647.

It is an arithmetic number, because the mean of its divisors is an integer number (11354634).

Almost surely, 2^55511522 is an apocalyptic number.

55511522 is a deficient number, since it is larger than the sum of its proper divisors (35325550).

55511522 is a wasteful number, since it uses less digits than its factorization.

55511522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523264.

The product of its digits is 2500, while the sum is 26.

The square root of 55511522 is about 7450.6054787514. The cubic root of 55511522 is about 381.4705758617.

The spelling of 55511522 in words is "fifty-five million, five hundred eleven thousand, five hundred twenty-two".