55011546 has 48 divisors (see below), whose sum is σ = 123821568. Its totient is φ = 17632800.

The previous prime is 55011527. The next prime is 55011553. The reversal of 55011546 is 64511055.

It is a happy number.

55011546 is a `hidden beast` number, since 5 + 501 + 154 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173380 + ... + 173696.

It is an arithmetic number, because the mean of its divisors is an integer number (2579616).

Almost surely, 2^55011546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55011546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61910784).

55011546 is an abundant number, since it is smaller than the sum of its proper divisors (68810022).

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

55011546 is a wasteful number, since it uses less digits than its factorization.

55011546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55011546 is about 7416.9768774077. The cubic root of 55011546 is about 380.3218556621.

The spelling of 55011546 in words is "fifty-five million, eleven thousand, five hundred forty-six".