57019950 has 216 divisors, whose sum is σ = 180566568. Its totient is φ = 13296960.

The previous prime is 57019939. The next prime is 57019951. The reversal of 57019950 is 5991075.

It is a happy number.

57019950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57019951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 3001041 + ... + 3001059.

Almost surely, 2^57019950 is an apocalyptic number.

57019950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57019950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90283284).

57019950 is an abundant number, since it is smaller than the sum of its proper divisors (123546618).

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

57019950 is a wasteful number, since it uses less digits than its factorization.

57019950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 36.

The square root of 57019950 is about 7551.1555407103. The cubic root of 57019950 is about 384.8950070703.

It can be divided in two parts, 5701 and 9950, that added together give a palindrome (15651).

The spelling of 57019950 in words is "fifty-seven million, nineteen thousand, nine hundred fifty".