49779270 has 24 divisors (see below), whose sum is σ = 129426336. Its totient is φ = 13274448.

The previous prime is 49779269. The next prime is 49779271. The reversal of 49779270 is 7297794.

It is a happy number.

49779270 is a `hidden beast` number, since 497 + 7 + 92 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (49779269) and next prime (49779271).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49779271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276462 + ... + 276641.

It is an arithmetic number, because the mean of its divisors is an integer number (5392764).

Almost surely, 2^49779270 is an apocalyptic number.

49779270 is an abundant number, since it is smaller than the sum of its proper divisors (79647066).

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

49779270 is a wasteful number, since it uses less digits than its factorization.

49779270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553116 (or 553113 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 49779270 is about 7055.4425800229. The cubic root of 49779270 is about 367.8602326426.

The spelling of 49779270 in words is "forty-nine million, seven hundred seventy-nine thousand, two hundred seventy".