61053777 has 16 divisors (see below), whose sum is σ = 90576000. Its totient is φ = 40645872.

The previous prime is 61053767. The next prime is 61053779. The reversal of 61053777 is 77735016.

61053777 is a `hidden beast` number, since 610 + 5 + 37 + 7 + 7 = 666.

It is not a de Polignac number, because 61053777 - 2⁴ = 61053761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61053779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28924 + ... + 30962.

It is an arithmetic number, because the mean of its divisors is an integer number (5661000).

Almost surely, 2^61053777 is an apocalyptic number.

It is an amenable number.

61053777 is a deficient number, since it is larger than the sum of its proper divisors (29522223).

61053777 is a wasteful number, since it uses less digits than its factorization.

61053777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157 (or 3151 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 61053777 is about 7813.6916371201. The cubic root of 61053777 is about 393.7653635729.

The spelling of 61053777 in words is "sixty-one million, fifty-three thousand, seven hundred seventy-seven".