55010988 has 60 divisors (see below), whose sum is σ = 148475712. Its totient is φ = 17742240.

The previous prime is 55010981. The next prime is 55010993. The reversal of 55010988 is 88901055.

55010988 is a `hidden beast` number, since 550 + 10 + 98 + 8 = 666.

It is a super-2 number, since 2×55010988² = 6052417601472288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55010981) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7306 + ... + 12782.

Almost surely, 2^55010988 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 55010988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74237856).

55010988 is an abundant number, since it is smaller than the sum of its proper divisors (93464724).

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

55010988 is a wasteful number, since it uses less digits than its factorization.

55010988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524 (or 5513 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 55010988 is about 7416.9392609081. The cubic root of 55010988 is about 380.3205697484.

The spelling of 55010988 in words is "fifty-five million, ten thousand, nine hundred eighty-eight".