49102949 has 6 divisors (see below), whose sum is σ = 57119814. Its totient is φ = 42088200.

The previous prime is 49102931. The next prime is 49102951. The reversal of 49102949 is 94920194.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49098049 + 4900 = 7007^2 + 70^2 .

It is not a de Polignac number, because 49102949 - 2²⁰ = 48054373 is a prime.

It is a super-2 number, since 2×49102949² = 4822199200993202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49102909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 501002 + ... + 501099.

It is an arithmetic number, because the mean of its divisors is an integer number (9519969).

Almost surely, 2^49102949 is an apocalyptic number.

49102949 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49102949 is a deficient number, since it is larger than the sum of its proper divisors (8016865).

49102949 is a wasteful number, since it uses less digits than its factorization.

49102949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002115 (or 1002108 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 49102949 is about 7007.3496416263. The cubic root of 49102949 is about 366.1866651113.

The spelling of 49102949 in words is "forty-nine million, one hundred two thousand, nine hundred forty-nine".