53770661 has 8 divisors (see below), whose sum is σ = 61626240. Its totient is φ = 45958608.

The previous prime is 53770601. The next prime is 53770663. The reversal of 53770661 is 16607735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53770661 - 2¹⁴ = 53754277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53770663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8186 + ... + 13211.

It is an arithmetic number, because the mean of its divisors is an integer number (7703280).

Almost surely, 2^53770661 is an apocalyptic number.

It is an amenable number.

53770661 is a deficient number, since it is larger than the sum of its proper divisors (7855579).

53770661 is a wasteful number, since it uses less digits than its factorization.

53770661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21763.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 53770661 is about 7332.8480824302. The cubic root of 53770661 is about 377.4404648595.

The spelling of 53770661 in words is "fifty-three million, seven hundred seventy thousand, six hundred sixty-one".