49671900 has 72 divisors (see below), whose sum is σ = 159694640. Its totient is φ = 13245120.

The previous prime is 49671899. The next prime is 49671907. The reversal of 49671900 is 917694.

It is a super-2 number, since 2×49671900² = 4934595299220000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49671907) 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, 6499 + ... + 11898.

Almost surely, 2^49671900 is an apocalyptic number.

It is an amenable number.

49671900 is an abundant number, since it is smaller than the sum of its proper divisors (110022740).

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

49671900 is a wasteful number, since it uses less digits than its factorization.

49671900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18420 (or 18407 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 49671900 is about 7047.8294531011. The cubic root of 49671900 is about 367.5955603223.

The spelling of 49671900 in words is "forty-nine million, six hundred seventy-one thousand, nine hundred".