48999972 has 48 divisors (see below), whose sum is σ = 132894720. Its totient is φ = 13761312.

The previous prime is 48999893. The next prime is 48999983. The reversal of 48999972 is 27999984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13 + ... + 9899.

It is an arithmetic number, because the mean of its divisors is an integer number (2768640).

Almost surely, 2^48999972 is an apocalyptic number.

48999972 is a gapful number since it is divisible by the number (42) 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 48999972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66447360).

48999972 is an abundant number, since it is smaller than the sum of its proper divisors (83894748).

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

48999972 is a wasteful number, since it uses less digits than its factorization.

48999972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9960 (or 9958 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 57.

The square root of 48999972 is about 6999.9979999997. The cubic root of 48999972 is about 365.9305013012.

The spelling of 48999972 in words is "forty-eight million, nine hundred ninety-nine thousand, nine hundred seventy-two".