51903958 has 8 divisors (see below), whose sum is σ = 82435752. Its totient is φ = 24425376.

The previous prime is 51903931. The next prime is 51903959. The reversal of 51903958 is 85930915.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51903958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51903959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763260 + ... + 763327.

It is an arithmetic number, because the mean of its divisors is an integer number (10304469).

Almost surely, 2^51903958 is an apocalyptic number.

51903958 is a deficient number, since it is larger than the sum of its proper divisors (30531794).

51903958 is a wasteful number, since it uses less digits than its factorization.

51903958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526606.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 51903958 is about 7204.4401586799. The cubic root of 51903958 is about 373.0211805782.

The spelling of 51903958 in words is "fifty-one million, nine hundred three thousand, nine hundred fifty-eight".