Search a number
-
+
55801461 = 319978973
BaseRepresentation
bin1101010011011…
…1011001110101
310220000000012210
43110313121311
5103241121321
65312004033
71245206322
oct324673165
9126000183
1055801461
1129553511
1216830619
13b739c21
1475a7b49
154d73b76
hex3537675

55801461 has 8 divisors (see below), whose sum is σ = 78317920. Its totient is φ = 35242992.

The previous prime is 55801453. The next prime is 55801477. The reversal of 55801461 is 16410855.

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

It is not a de Polignac number, because 55801461 - 23 = 55801453 is a prime.

It is a super-2 number, since 2×558014612 = 6227606099469042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55801061) 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, 489430 + ... + 489543.

It is an arithmetic number, because the mean of its divisors is an integer number (9789740).

Almost surely, 255801461 is an apocalyptic number.

It is an amenable number.

55801461 is a deficient number, since it is larger than the sum of its proper divisors (22516459).

55801461 is a wasteful number, since it uses less digits than its factorization.

55801461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978995.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 55801461 is about 7470.0375501064. The cubic root of 55801461 is about 382.1335685068.

The spelling of 55801461 in words is "fifty-five million, eight hundred one thousand, four hundred sixty-one".

Divisors: 1 3 19 57 978973 2936919 18600487 55801461