49791888 has 40 divisors (see below), whose sum is σ = 142922400. Its totient is φ = 16597152.

The previous prime is 49791887. The next prime is 49791919. The reversal of 49791888 is 88819794.

It is a super-2 number, since 2×49791888² = 4958464221209088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (49791881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57198 + ... + 58061.

It is an arithmetic number, because the mean of its divisors is an integer number (3573060).

Almost surely, 2^49791888 is an apocalyptic number.

49791888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49791888 is an abundant number, since it is smaller than the sum of its proper divisors (93130512).

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

49791888 is a wasteful number, since it uses less digits than its factorization.

49791888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115276 (or 115264 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 49791888 is about 7056.3367266592. The cubic root of 49791888 is about 367.8913116325.

The spelling of 49791888 in words is "forty-nine million, seven hundred ninety-one thousand, eight hundred eighty-eight".