49851400 has 24 divisors (see below), whose sum is σ = 115904970. Its totient is φ = 19940480.

The previous prime is 49851391. The next prime is 49851433. The reversal of 49851400 is 415894.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 48358116 + 1493284 = 6954^2 + 1222^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124429 + ... + 124828.

Almost surely, 2^49851400 is an apocalyptic number.

49851400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49851400 is an abundant number, since it is smaller than the sum of its proper divisors (66053570).

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

49851400 is a wasteful number, since it uses less digits than its factorization.

49851400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249273 (or 249264 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 49851400 is about 7060.5523863222. The cubic root of 49851400 is about 368.0378229870.

The spelling of 49851400 in words is "forty-nine million, eight hundred fifty-one thousand, four hundred".