50739000 has 128 divisors (see below), whose sum is σ = 170614080. Its totient is φ = 12480000.

The previous prime is 50738981. The next prime is 50739019. The reversal of 50739000 is 93705.

It is an interprime number because it is at equal distance from previous prime (50738981) and next prime (50739019).

It is a super-2 number, since 2×50739000² = 5148892242000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 38350 + ... + 39650.

Almost surely, 2^50739000 is an apocalyptic number.

50739000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50739000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85307040).

50739000 is an abundant number, since it is smaller than the sum of its proper divisors (119875080).

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

50739000 is a wasteful number, since it uses less digits than its factorization.

50739000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 50739000 is about 7123.1313339008. The cubic root of 50739000 is about 370.2092801919.

The spelling of 50739000 in words is "fifty million, seven hundred thirty-nine thousand".