53002078 has 4 divisors (see below), whose sum is σ = 79503120. Its totient is φ = 26501038.

The previous prime is 53002063. The next prime is 53002091. The reversal of 53002078 is 87020035.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250518 + ... + 13250521.

It is an arithmetic number, because the mean of its divisors is an integer number (19875780).

Almost surely, 2^53002078 is an apocalyptic number.

53002078 is a deficient number, since it is larger than the sum of its proper divisors (26501042).

53002078 is a wasteful number, since it uses less digits than its factorization.

53002078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26501041.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 53002078 is about 7280.2526055076. The cubic root of 53002078 is about 375.6334845163.

The spelling of 53002078 in words is "fifty-three million, two thousand, seventy-eight".