53402155 has 8 divisors (see below), whose sum is σ = 64231200. Its totient is φ = 42622656.

The previous prime is 53402143. The next prime is 53402177. The reversal of 53402155 is 55120435.

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

It is a cyclic number.

It is not a de Polignac number, because 53402155 - 2⁵ = 53402123 is a prime.

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, 9970 + ... + 14359.

It is an arithmetic number, because the mean of its divisors is an integer number (8028900).

Almost surely, 2^53402155 is an apocalyptic number.

53402155 is a deficient number, since it is larger than the sum of its proper divisors (10829045).

53402155 is a wasteful number, since it uses less digits than its factorization.

53402155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24773.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 53402155 is about 7307.6778117265. The cubic root of 53402155 is about 376.5762511292.

The spelling of 53402155 in words is "fifty-three million, four hundred two thousand, one hundred fifty-five".