49988430 has 192 divisors, whose sum is σ = 150958080. Its totient is φ = 11404800.

The previous prime is 49988377. The next prime is 49988441. The reversal of 49988430 is 3488994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1219210 + ... + 1219250.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^49988430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49988430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75479040).

49988430 is an abundant number, since it is smaller than the sum of its proper divisors (100969650).

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

49988430 is a wasteful number, since it uses less digits than its factorization.

49988430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 49988430 is about 7070.2496419858. The cubic root of 49988430 is about 368.3747315090.

The spelling of 49988430 in words is "forty-nine million, nine hundred eighty-eight thousand, four hundred thirty".