55011528 has 192 divisors, whose sum is σ = 181828800. Its totient is φ = 15275520.

The previous prime is 55011527. The next prime is 55011553. The reversal of 55011528 is 82511055.

55011528 is a `hidden beast` number, since 5 + 501 + 152 + 8 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (55011527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 401476 + ... + 401612.

It is an arithmetic number, because the mean of its divisors is an integer number (947025).

Almost surely, 2^55011528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55011528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90914400).

55011528 is an abundant number, since it is smaller than the sum of its proper divisors (126817272).

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

55011528 is a wasteful number, since it uses less digits than its factorization.

55011528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 55011528 is about 7416.9756639752. The cubic root of 55011528 is about 380.3218141812.

The spelling of 55011528 in words is "fifty-five million, eleven thousand, five hundred twenty-eight".