55122552 has 32 divisors (see below), whose sum is σ = 153118800. Its totient is φ = 18374112.

The previous prime is 55122527. The next prime is 55122581. The reversal of 55122552 is 25522155.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127383 + ... + 127814.

Almost surely, 2^55122552 is an apocalyptic number.

It is an amenable number.

55122552 is an abundant number, since it is smaller than the sum of its proper divisors (97996248).

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

55122552 is a wasteful number, since it uses less digits than its factorization.

55122552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255212 (or 255202 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 55122552 is about 7424.4563437332. The cubic root of 55122552 is about 380.5774968017.

The spelling of 55122552 in words is "fifty-five million, one hundred twenty-two thousand, five hundred fifty-two".