49901905 has 8 divisors (see below), whose sum is σ = 60897600. Its totient is φ = 39244656.

The previous prime is 49901899. The next prime is 49901933. The reversal of 49901905 is 50910994.

49901905 = T₁₂₇₁ + T₁₂₇₂ + ... + T₁₃₂₉.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49901905 - 2³ = 49901897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84285 + ... + 84874.

It is an arithmetic number, because the mean of its divisors is an integer number (7612200).

Almost surely, 2^49901905 is an apocalyptic number.

It is an amenable number.

49901905 is a deficient number, since it is larger than the sum of its proper divisors (10995695).

49901905 is a wasteful number, since it uses less digits than its factorization.

49901905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169223.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 49901905 is about 7064.1280424409. The cubic root of 49901905 is about 368.1620687563.

The spelling of 49901905 in words is "forty-nine million, nine hundred one thousand, nine hundred five".