49158877 has 4 divisors (see below), whose sum is σ = 50357916. Its totient is φ = 47959840.

The previous prime is 49158869. The next prime is 49158881. The reversal of 49158877 is 77885194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15912121 + 33246756 = 3989^2 + 5766^2 .

It is a cyclic number.

It is not a de Polignac number, because 49158877 - 2³ = 49158869 is a prime.

It is a super-2 number, since 2×49158877² = 4833190375802258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49158877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49158827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599458 + ... + 599539.

It is an arithmetic number, because the mean of its divisors is an integer number (12589479).

Almost surely, 2^49158877 is an apocalyptic number.

It is an amenable number.

49158877 is a deficient number, since it is larger than the sum of its proper divisors (1199039).

49158877 is a wasteful number, since it uses less digits than its factorization.

49158877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199038.

The product of its digits is 564480, while the sum is 49.

The square root of 49158877 is about 7011.3391730824. The cubic root of 49158877 is about 366.3256405874.

The spelling of 49158877 in words is "forty-nine million, one hundred fifty-eight thousand, eight hundred seventy-seven".