53402998 has 16 divisors (see below), whose sum is σ = 89247744. Its totient is φ = 23757160.

The previous prime is 53402983. The next prime is 53403013. The reversal of 53402998 is 89920435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53402983) and next prime (53403013).

It is a self number, because there is not a number n which added to its sum of digits gives 53402998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24790 + ... + 26857.

It is an arithmetic number, because the mean of its divisors is an integer number (5577984).

Almost surely, 2^53402998 is an apocalyptic number.

53402998 is a deficient number, since it is larger than the sum of its proper divisors (35844746).

53402998 is a wasteful number, since it uses less digits than its factorization.

53402998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51707.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 53402998 is about 7307.7354905607. The cubic root of 53402998 is about 376.5782326479.

It can be divided in two parts, 5340 and 2998, that added together give a palindrome (8338).

The spelling of 53402998 in words is "fifty-three million, four hundred two thousand, nine hundred ninety-eight".