55460390 has 8 divisors (see below), whose sum is σ = 99828720. Its totient is φ = 22184152.

The previous prime is 55460387. The next prime is 55460393. The reversal of 55460390 is 9306455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55460387) and next prime (55460393).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55460393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773010 + ... + 2773029.

It is an arithmetic number, because the mean of its divisors is an integer number (12478590).

Almost surely, 2^55460390 is an apocalyptic number.

55460390 is a deficient number, since it is larger than the sum of its proper divisors (44368330).

55460390 is a wasteful number, since it uses less digits than its factorization.

55460390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546046.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 55460390 is about 7447.1732892420. The cubic root of 55460390 is about 381.3534149272.

The spelling of 55460390 in words is "fifty-five million, four hundred sixty thousand, three hundred ninety".