55613484 has 36 divisors (see below), whose sum is σ = 142682904. Its totient is φ = 18260352.

The previous prime is 55613447. The next prime is 55613489. The reversal of 55613484 is 48431655.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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 (55613489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9117 + ... + 13940.

It is an arithmetic number, because the mean of its divisors is an integer number (3963414).

Almost surely, 2^55613484 is an apocalyptic number.

It is an amenable number.

55613484 is an abundant number, since it is smaller than the sum of its proper divisors (87069420).

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

55613484 is a wasteful number, since it uses less digits than its factorization.

55613484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23134 (or 23129 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 55613484 is about 7457.4448707315. Note that the first 3 decimals coincide. The cubic root of 55613484 is about 381.7039911461.

It can be divided in two parts, 5561 and 3484, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 55613484 in words is "fifty-five million, six hundred thirteen thousand, four hundred eighty-four".