50155740 has 96 divisors (see below), whose sum is σ = 157066560. Its totient is φ = 13287168.

The previous prime is 50155697. The next prime is 50155741. The reversal of 50155740 is 4755105.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50155741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158062 + ... + 158378.

It is an arithmetic number, because the mean of its divisors is an integer number (1636110).

Almost surely, 2^50155740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50155740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78533280).

50155740 is an abundant number, since it is smaller than the sum of its proper divisors (106910820).

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

50155740 is a wasteful number, since it uses less digits than its factorization.

50155740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 50155740 is about 7082.0717307861. The cubic root of 50155740 is about 368.7852541225.

The spelling of 50155740 in words is "fifty million, one hundred fifty-five thousand, seven hundred forty".