53434400250 has 128 divisors (see below), whose sum is σ = 166282481664. Its totient is φ = 11103240000.

The previous prime is 53434400189. The next prime is 53434400273. The reversal of 53434400250 is 5200443435.

It is a super-3 number, since 3×53434400250³ (a number of 33 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 404886 + ... + 520385.

It is an arithmetic number, because the mean of its divisors is an integer number (1299081888).

Almost surely, 2^53434400250 is an apocalyptic number.

53434400250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53434400250 is an abundant number, since it is smaller than the sum of its proper divisors (112848081414).

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

53434400250 is a wasteful number, since it uses less digits than its factorization.

53434400250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925309 (or 925299 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 53434400250 its reverse (5200443435), we get a palindrome (58634843685).

The spelling of 53434400250 in words is "fifty-three billion, four hundred thirty-four million, four hundred thousand, two hundred fifty".