49923144 has 48 divisors (see below), whose sum is σ = 139576320. Its totient is φ = 16103520.

The previous prime is 49923131. The next prime is 49923157. The reversal of 49923144 is 44132994.

49923144 is a `hidden beast` number, since 499 + 23 + 144 = 666.

It is an interprime number because it is at equal distance from previous prime (49923131) and next prime (49923157).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 49923099 and 49923108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8952 + ... + 13415.

It is an arithmetic number, because the mean of its divisors is an integer number (2907840).

Almost surely, 2^49923144 is an apocalyptic number.

It is an amenable number.

49923144 is an abundant number, since it is smaller than the sum of its proper divisors (89653176).

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

49923144 is a wasteful number, since it uses less digits than its factorization.

49923144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22410 (or 22403 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 49923144 is about 7065.6311819964. The cubic root of 49923144 is about 368.2142931159.

The spelling of 49923144 in words is "forty-nine million, nine hundred twenty-three thousand, one hundred forty-four".