49445851 has 24 divisors (see below), whose sum is σ = 62512800. Its totient is φ = 39076128.

The previous prime is 49445831. The next prime is 49445881. The reversal of 49445851 is 15854494.

It is not a de Polignac number, because 49445851 - 2⁷ = 49445723 is a prime.

It is a super-2 number, since 2×49445851² = 4889784362228402, which contains 22 as substring.

Its product of digits (115200) is a multiple of the sum of its prime factors (900).

It is not an unprimeable number, because it can be changed into a prime (49445831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57541 + ... + 58393.

It is an arithmetic number, because the mean of its divisors is an integer number (2604700).

Almost surely, 2^49445851 is an apocalyptic number.

49445851 is a deficient number, since it is larger than the sum of its proper divisors (13066949).

49445851 is an equidigital number, since it uses as much as digits as its factorization.

49445851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 873 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 49445851 is about 7031.7743848903. The cubic root of 49445851 is about 367.0370891100.

The spelling of 49445851 in words is "forty-nine million, four hundred forty-five thousand, eight hundred fifty-one".