53720902 has 4 divisors (see below), whose sum is σ = 80581356. Its totient is φ = 26860450.

The previous prime is 53720899. The next prime is 53720917. The reversal of 53720902 is 20902735.

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, 13430224 + ... + 13430227.

It is an arithmetic number, because the mean of its divisors is an integer number (20145339).

Almost surely, 2^53720902 is an apocalyptic number.

53720902 is a deficient number, since it is larger than the sum of its proper divisors (26860454).

53720902 is a wasteful number, since it uses less digits than its factorization.

53720902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26860453.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 53720902 is about 7329.4544135290. The cubic root of 53720902 is about 377.3240019904.

The spelling of 53720902 in words is "fifty-three million, seven hundred twenty thousand, nine hundred two".