55419264 has 96 divisors (see below), whose sum is σ = 161904600. Its totient is φ = 18192384.

The previous prime is 55419241. The next prime is 55419277. The reversal of 55419264 is 46291455.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83767 + ... + 84425.

Almost surely, 2^55419264 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 55419264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80952300).

55419264 is an abundant number, since it is smaller than the sum of its proper divisors (106485336).

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

55419264 is a wasteful number, since it uses less digits than its factorization.

55419264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 737 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 55419264 is about 7444.4115952841. The cubic root of 55419264 is about 381.2591289044.

The spelling of 55419264 in words is "fifty-five million, four hundred nineteen thousand, two hundred sixty-four".