50401972 has 6 divisors (see below), whose sum is σ = 88203458. Its totient is φ = 25200984.

The previous prime is 50401969. The next prime is 50401979. The reversal of 50401972 is 27910405.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31427236 + 18974736 = 5606^2 + 4356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50401972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50401979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6300243 + ... + 6300250.

Almost surely, 2^50401972 is an apocalyptic number.

It is an amenable number.

50401972 is a deficient number, since it is larger than the sum of its proper divisors (37801486).

50401972 is a wasteful number, since it uses less digits than its factorization.

50401972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600497 (or 12600495 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 50401972 is about 7099.4346253769. The cubic root of 50401972 is about 369.3877676403.

The spelling of 50401972 in words is "fifty million, four hundred one thousand, nine hundred seventy-two".