53813902 has 4 divisors (see below), whose sum is σ = 80720856. Its totient is φ = 26906950.

The previous prime is 53813887. The next prime is 53813917. The reversal of 53813902 is 20931835.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (53813887) and next prime (53813917).

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, 13453474 + ... + 13453477.

It is an arithmetic number, because the mean of its divisors is an integer number (20180214).

Almost surely, 2^53813902 is an apocalyptic number.

53813902 is a deficient number, since it is larger than the sum of its proper divisors (26906954).

53813902 is a wasteful number, since it uses less digits than its factorization.

53813902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26906953.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 53813902 is about 7335.7959350026. The cubic root of 53813902 is about 377.5416137626.

The spelling of 53813902 in words is "fifty-three million, eight hundred thirteen thousand, nine hundred two".