55153896 has 64 divisors (see below), whose sum is σ = 158371200. Its totient is φ = 15679488.

The previous prime is 55153883. The next prime is 55153927. The reversal of 55153896 is 69835155.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38440 + ... + 39848.

It is an arithmetic number, because the mean of its divisors is an integer number (2474550).

Almost surely, 2^55153896 is an apocalyptic number.

55153896 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 55153896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79185600).

55153896 is an abundant number, since it is smaller than the sum of its proper divisors (103217304).

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

55153896 is a wasteful number, since it uses less digits than its factorization.

55153896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1654 counting only the distinct ones).

The product of its digits is 162000, while the sum is 42.

The square root of 55153896 is about 7426.5669053742. The cubic root of 55153896 is about 380.6496182858.

The spelling of 55153896 in words is "fifty-five million, one hundred fifty-three thousand, eight hundred ninety-six".