55442410 has 8 divisors (see below), whose sum is σ = 99796356. Its totient is φ = 22176960.

The previous prime is 55442407. The next prime is 55442411. The reversal of 55442410 is 1424455.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45387169 + 10055241 = 6737^2 + 3171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55442411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2772111 + ... + 2772130.

Almost surely, 2^55442410 is an apocalyptic number.

55442410 is a deficient number, since it is larger than the sum of its proper divisors (44353946).

55442410 is a wasteful number, since it uses less digits than its factorization.

55442410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544248.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 55442410 is about 7445.9660219477. The cubic root of 55442410 is about 381.3121994729.

Adding to 55442410 its reverse (1424455), we get a palindrome (56866865).

The spelling of 55442410 in words is "fifty-five million, four hundred forty-two thousand, four hundred ten".