50577240 has 128 divisors (see below), whose sum is σ = 182592000. Its totient is φ = 10948608.

The previous prime is 50577239. The next prime is 50577257. The reversal of 50577240 is 4277505.

50577240 = T₇ + T₈ + ... + T₆₇₁.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50577198 and 50577207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14376 + ... + 17544.

It is an arithmetic number, because the mean of its divisors is an integer number (1426500).

Almost surely, 2^50577240 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 50577240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91296000).

50577240 is an abundant number, since it is smaller than the sum of its proper divisors (132014760).

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

50577240 is a wasteful number, since it uses less digits than its factorization.

50577240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209 (or 3205 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 50577240 is about 7111.7677127420. The cubic root of 50577240 is about 369.8154424106.

The spelling of 50577240 in words is "fifty million, five hundred seventy-seven thousand, two hundred forty".