48512919 has 32 divisors (see below), whose sum is σ = 80607744. Its totient is φ = 25269120.

The previous prime is 48512899. The next prime is 48512939. The reversal of 48512919 is 91921584.

It is an interprime number because it is at equal distance from previous prime (48512899) and next prime (48512939).

It is not a de Polignac number, because 48512919 - 2⁷ = 48512791 is a prime.

It is a super-2 number, since 2×48512919² = 4707006619801122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48512939) 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, 21589 + ... + 23729.

It is an arithmetic number, because the mean of its divisors is an integer number (2518992).

Almost surely, 2^48512919 is an apocalyptic number.

48512919 is a deficient number, since it is larger than the sum of its proper divisors (32094825).

48512919 is a wasteful number, since it uses less digits than its factorization.

48512919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its digits is 25920, while the sum is 39.

The square root of 48512919 is about 6965.1216069786. The cubic root of 48512919 is about 364.7140288355.

The spelling of 48512919 in words is "forty-eight million, five hundred twelve thousand, nine hundred nineteen".