55122054 has 24 divisors (see below), whose sum is σ = 119378952. Its totient is φ = 16960320.

The previous prime is 55122037. The next prime is 55122077. The reversal of 55122054 is 45022155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26167 + ... + 28194.

It is an arithmetic number, because the mean of its divisors is an integer number (4974123).

Almost surely, 2^55122054 is an apocalyptic number.

55122054 is an abundant number, since it is smaller than the sum of its proper divisors (64256898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55122054 is a wasteful number, since it uses less digits than its factorization.

55122054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54392 (or 54379 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 55122054 is about 7424.4228058483. The cubic root of 55122054 is about 380.5763506999.

The spelling of 55122054 in words is "fifty-five million, one hundred twenty-two thousand, fifty-four".