48949999 has 32 divisors (see below), whose sum is σ = 60710400. Its totient is φ = 38586240.

The previous prime is 48949993. The next prime is 48950017. The reversal of 48949999 is 99994984.

It is a de Polignac number, because none of the positive numbers 2^k-48949999 is a prime.

It is a super-2 number, since 2×48949999² = 4792204804200002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

48949999 is a modest number, since divided by 9999 gives 4894 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48949993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 730564 + ... + 730630.

It is an arithmetic number, because the mean of its divisors is an integer number (1897200).

Almost surely, 2^48949999 is an apocalyptic number.

48949999 is a deficient number, since it is larger than the sum of its proper divisors (11760401).

48949999 is a wasteful number, since it uses less digits than its factorization.

48949999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its digits is 7558272, while the sum is 61.

The square root of 48949999 is about 6996.4275884197. The cubic root of 48949999 is about 365.8060599712.

The spelling of 48949999 in words is "forty-eight million, nine hundred forty-nine thousand, nine hundred ninety-nine".