55641501 has 6 divisors (see below), whose sum is σ = 80371070. Its totient is φ = 37094328.

The previous prime is 55641499. The next prime is 55641503. The reversal of 55641501 is 10514655.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55641499) and next prime (55641503).

It can be written as a sum of positive squares in only one way, i.e., 54375876 + 1265625 = 7374^2 + 1125^2 .

It is not a de Polignac number, because 55641501 - 2¹ = 55641499 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 (55641503) 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, 3091186 + ... + 3091203.

Almost surely, 2^55641501 is an apocalyptic number.

It is an amenable number.

55641501 is a deficient number, since it is larger than the sum of its proper divisors (24729569).

55641501 is a wasteful number, since it uses less digits than its factorization.

55641501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182395 (or 6182392 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55641501 is about 7459.3230926137. The cubic root of 55641501 is about 381.7680787534.

The spelling of 55641501 in words is "fifty-five million, six hundred forty-one thousand, five hundred one".