50985428725 has 48 divisors (see below), whose sum is σ = 79602869376. Its totient is φ = 31468320000.

The previous prime is 50985428701. The next prime is 50985428729. The reversal of 50985428725 is 52782458905.

It is not a de Polignac number, because 50985428725 - 2⁵ = 50985428693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50985428729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63307 + ... + 325543.

It is an arithmetic number, because the mean of its divisors is an integer number (1658393112).

Almost surely, 2^50985428725 is an apocalyptic number.

50985428725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50985428725 is a deficient number, since it is larger than the sum of its proper divisors (28617440651).

50985428725 is a wasteful number, since it uses less digits than its factorization.

50985428725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262366 (or 262361 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 55.

It can be divided in two parts, 50985 and 428725, that added together give a triangular number (479710 = T₉₇₉).

The spelling of 50985428725 in words is "fifty billion, nine hundred eighty-five million, four hundred twenty-eight thousand, seven hundred twenty-five".