55382470 has 32 divisors (see below), whose sum is σ = 117119520. Its totient is φ = 18589440.

The previous prime is 55382443. The next prime is 55382471. The reversal of 55382470 is 7428355.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55382471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17935 + ... + 20794.

It is an arithmetic number, because the mean of its divisors is an integer number (3659985).

Almost surely, 2^55382470 is an apocalyptic number.

55382470 is an abundant number, since it is smaller than the sum of its proper divisors (61737050).

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

55382470 is a wasteful number, since it uses less digits than its factorization.

55382470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38760.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 55382470 is about 7441.9399352588. The cubic root of 55382470 is about 381.1747349409.

It can be divided in two parts, 5538 and 2470, that added together give a palindrome (8008).

The spelling of 55382470 in words is "fifty-five million, three hundred eighty-two thousand, four hundred seventy".