49475690 has 48 divisors (see below), whose sum is σ = 101122560. Its totient is φ = 17397600.

The previous prime is 49475683. The next prime is 49475693. The reversal of 49475690 is 9657494.

49475690 = 173² + 174² + ... + 535².

It is a super-2 number, since 2×49475690² = 4895687801952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49475693) 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, 36851 + ... + 38169.

It is an arithmetic number, because the mean of its divisors is an integer number (2106720).

Almost surely, 2^49475690 is an apocalyptic number.

49475690 is an abundant number, since it is smaller than the sum of its proper divisors (51646870).

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

49475690 is a wasteful number, since it uses less digits than its factorization.

49475690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 49475690 is about 7033.8957910961. The cubic root of 49475690 is about 367.1109060037.

The spelling of 49475690 in words is "forty-nine million, four hundred seventy-five thousand, six hundred ninety".