55767401 has 4 divisors (see below), whose sum is σ = 56531412. Its totient is φ = 55003392.

The previous prime is 55767389. The next prime is 55767403. The reversal of 55767401 is 10476755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10476755 = 5 ⋅2095351.

It can be written as a sum of positive squares in 2 ways, for example, as 27931225 + 27836176 = 5285^2 + 5276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55767401 is a prime.

It is a super-2 number, since 2×55767401² = 6220006028589602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55767403) 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, 381896 + ... + 382041.

It is an arithmetic number, because the mean of its divisors is an integer number (14132853).

Almost surely, 2^55767401 is an apocalyptic number.

It is an amenable number.

55767401 is a deficient number, since it is larger than the sum of its proper divisors (764011).

55767401 is an equidigital number, since it uses as much as digits as its factorization.

55767401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764010.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 55767401 is about 7467.7574277691. The cubic root of 55767401 is about 382.0558040055.

The spelling of 55767401 in words is "fifty-five million, seven hundred sixty-seven thousand, four hundred one".