55430494 has 16 divisors (see below), whose sum is σ = 95914368. Its totient is φ = 23533272.

The previous prime is 55430491. The next prime is 55430503. The reversal of 55430494 is 49403455.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55430491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17004 + ... + 19999.

It is an arithmetic number, because the mean of its divisors is an integer number (5994648).

Almost surely, 2^55430494 is an apocalyptic number.

55430494 is a deficient number, since it is larger than the sum of its proper divisors (40483874).

55430494 is a wasteful number, since it uses less digits than its factorization.

55430494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37119.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 55430494 is about 7445.1658141374. The cubic root of 55430494 is about 381.2848795823.

The spelling of 55430494 in words is "fifty-five million, four hundred thirty thousand, four hundred ninety-four".