49090545 has 48 divisors (see below), whose sum is σ = 98272512. Its totient is φ = 22204800.

The previous prime is 49090541. The next prime is 49090549. The reversal of 49090545 is 54509094.

It is an interprime number because it is at equal distance from previous prime (49090541) and next prime (49090549).

It is not a de Polignac number, because 49090545 - 2² = 49090541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (49090541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31044 + ... + 32586.

It is an arithmetic number, because the mean of its divisors is an integer number (2047344).

Almost surely, 2^49090545 is an apocalyptic number.

49090545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49090545 is an abundant number, since it is smaller than the sum of its proper divisors (49181967).

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

49090545 is a wasteful number, since it uses less digits than its factorization.

49090545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 49090545 is about 7006.4645150033. The cubic root of 49090545 is about 366.1558281180.

The spelling of 49090545 in words is "forty-nine million, ninety thousand, five hundred forty-five".