55016402 has 16 divisors (see below), whose sum is σ = 94531200. Its totient is φ = 23524128.

The previous prime is 55016399. The next prime is 55016407. The reversal of 55016402 is 20461055.

It is not an unprimeable number, because it can be changed into a prime (55016407) 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, 2099 + ... + 10697.

It is an arithmetic number, because the mean of its divisors is an integer number (5908200).

Almost surely, 2^55016402 is an apocalyptic number.

55016402 is a deficient number, since it is larger than the sum of its proper divisors (39514798).

55016402 is a wasteful number, since it uses less digits than its factorization.

55016402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9065.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55016402 is about 7417.3042272783. The cubic root of 55016402 is about 380.3330459711. Note that the first 3 decimals are identical.

Adding to 55016402 its reverse (20461055), we get a palindrome (75477457).

The spelling of 55016402 in words is "fifty-five million, sixteen thousand, four hundred two".