55146896 has 40 divisors (see below), whose sum is σ = 123950400. Its totient is φ = 23278464.

The previous prime is 55146863. The next prime is 55146913. The reversal of 55146896 is 69864155.

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, 3830 + ... + 11178.

It is an arithmetic number, because the mean of its divisors is an integer number (3098760).

Almost surely, 2^55146896 is an apocalyptic number.

55146896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55146896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61975200).

55146896 is an abundant number, since it is smaller than the sum of its proper divisors (68803504).

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

55146896 is a wasteful number, since it uses less digits than its factorization.

55146896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431 (or 7425 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 55146896 is about 7426.0956094034. The cubic root of 55146896 is about 380.6335138927.

The spelling of 55146896 in words is "fifty-five million, one hundred forty-six thousand, eight hundred ninety-six".