51953902 has 32 divisors (see below), whose sum is σ = 104638464. Its totient is φ = 18684000.

The previous prime is 51953899. The next prime is 51953947. The reversal of 51953902 is 20935915.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10974 + ... + 14977.

It is an arithmetic number, because the mean of its divisors is an integer number (3269952).

Almost surely, 2^51953902 is an apocalyptic number.

51953902 is an abundant number, since it is smaller than the sum of its proper divisors (52684562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51953902 is a wasteful number, since it uses less digits than its factorization.

51953902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25984.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 51953902 is about 7207.9055210234. The cubic root of 51953902 is about 373.1407873686.

The spelling of 51953902 in words is "fifty-one million, nine hundred fifty-three thousand, nine hundred two".