55017402 has 16 divisors (see below), whose sum is σ = 120038112. Its totient is φ = 16671920.

The previous prime is 55017383. The next prime is 55017433. The reversal of 55017402 is 20471055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416733 + ... + 416864.

It is an arithmetic number, because the mean of its divisors is an integer number (7502382).

Almost surely, 2^55017402 is an apocalyptic number.

55017402 is an abundant number, since it is smaller than the sum of its proper divisors (65020710).

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

55017402 is a wasteful number, since it uses less digits than its factorization.

55017402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833613.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 55017402 is about 7417.3716369075. The cubic root of 55017402 is about 380.3353503187.

Adding to 55017402 its reverse (20471055), we get a palindrome (75488457).

The spelling of 55017402 in words is "fifty-five million, seventeen thousand, four hundred two".